{"abstract":"Lines stretched by exactly half their stretch are classed loose.","category":"Typography line breaking","checks":8,"contract":"Input [natural, stretch, shrink, width, tolerance] (ints). shortfall=width-natural. Positive shortfall with zero stretch is underfull 10000 very_loose; shrinking past total shrink is overfull 1000000 tight. r=shortfall/stretch (or /shrink when negative); badness=min(10000, floor(100*|r|^3+1/2)); fitness tight r<-1/2, decent r<=1/2, loose r<=1, else very_loose; status ok iff badness<=tolerance. Return [status, badness, fitness].","evaluation_group":"w2-typography-line-breaking-glue-badness","failed_approach":"Widening decent to r <= 1 removes the loose class entirely.","family":"w2-typography-line-breaking-glue-badness-decent-fitness-upper-bound","id":"FA-79871","implementations":{"attempt":{"sha256":"ec213d1d30f6af376eddf5847e18a90b2eb57246a3af7d6e5deec5921b45aab3","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nfrom fractions import Fraction\nN = 1\nobservations = []\ndef solve(x):\n    natural, stretch, shrink, width, tolerance = x\n    shortfall = width - natural\n    if shortfall > 0:\n        if stretch == 0:\n            return ['underfull', 10000, 'very_loose']\n        r = Fraction(shortfall, stretch)\n    elif shortfall < 0:\n        if -shortfall > shrink:\n            return ['overfull', 1000000, 'tight']\n        r = Fraction(shortfall, shrink)\n    else:\n        r = Fraction(0)\n    badness = min(10000, math.floor(100 * abs(r) ** 3 + Fraction(1, 2)))\n    if r < Fraction(-1, 2):\n        fitness = 'tight'\n    elif r <= 1:\n        fitness = 'decent'\n    elif r <= 1:\n        fitness = 'loose'\n    else:\n        fitness = 'very_loose'\n    status = 'ok' if badness <= tolerance else 'underfull'\n    return [status, badness, fitness]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('half stretch ratio rounds 12.5 up', [100, 10, 5, 105, 200], ['ok', 13, 'decent']), ('regression: decent fitness upper bound', [120, 12, 3, 126, 1000], ['ok', 13, 'decent']), ('partial-repair probe', [94, 20, 0, 108, 100], ['ok', 34, 'loose']), ('partial-repair probe', [67, 6, 10, 71, 100], ['ok', 30, 'loose']), ('rigid line with slack', [100, 0, 5, 110, 200], ['underfull', 10000, 'very_loose']), ('very loose over tolerance', [100, 4, 0, 110, 200], ['underfull', 1563, 'very_loose']), ('control layout', [63, 8, 8, 61, 200], ['ok', 2, 'decent']), ('control layout', [64, 4, 11, 65, 500], ['ok', 2, 'decent'])], [('regression: decent fitness upper bound', [101, 10, 11, 106, 150], ['ok', 13, 'decent']), ('half stretch ratio rounds 12.5 up', [100, 10, 5, 105, 200], ['ok', 13, 'decent']), ('partial-repair probe', [80, 20, 1, 99, 150], ['ok', 86, 'loose']), ('partial-repair probe', [117, 10, 10, 127, 150], ['ok', 100, 'loose']), ('exact natural width', [100, 10, 5, 100, 200], ['ok', 0, 'decent']), ('one unit past total shrink', [100, 10, 5, 94, 200], ['overfull', 1000000, 'tight']), ('control layout', [92, 3, 7, 100, 500], ['underfull', 1896, 'very_loose']), ('control layout', [86, 3, 10, 109, 100], ['underfull', 10000, 'very_loose'])], [('regression: decent fitness upper bound', [60, 2, 9, 61, 1000], ['ok', 13, 'decent']), ('regression: decent fitness upper bound', [105, 12, 8, 111, 100], ['ok', 13, 'decent']), ('partial-repair probe', [61, 12, 9, 70, 100], ['ok', 42, 'loose']), ('partial-repair probe', [82, 20, 4, 95, 500], ['ok', 27, 'loose']), ('very loose over tolerance', [100, 4, 0, 110, 200], ['underfull', 1563, 'very_loose']), ('negative half ratio is decent', [100, 10, 6, 97, 200], ['ok', 13, 'decent']), ('control layout', [98, 2, 2, 102, 100], ['underfull', 800, 'very_loose']), ('control layout', [73, 3, 0, 67, 200], ['overfull', 1000000, 'tight'])], [('half stretch ratio rounds 12.5 up', [100, 10, 5, 105, 200], ['ok', 13, 'decent']), ('regression: decent fitness upper bound', [120, 12, 3, 126, 1000], ['ok', 13, 'decent']), ('partial-repair probe', [112, 8, 6, 120, 500], ['ok', 100, 'loose']), ('partial-repair probe', [71, 10, 5, 77, 200], ['ok', 22, 'loose']), ('negative half ratio is decent', [100, 10, 6, 97, 200], ['ok', 13, 'decent']), ('very loose over tolerance', [100, 4, 0, 110, 200], ['underfull', 1563, 'very_loose']), ('control layout', [90, 0, 6, 102, 1000], ['underfull', 10000, 'very_loose']), ('control layout', [65, 10, 12, 82, 150], ['underfull', 491, 'very_loose'])], [('half stretch ratio rounds 12.5 up', [100, 10, 5, 105, 200], ['ok', 13, 'decent']), ('regression: decent fitness upper bound', [105, 12, 8, 111, 100], ['ok', 13, 'decent']), ('partial-repair probe', [114, 8, 8, 119, 150], ['ok', 24, 'loose']), ('partial-repair probe', [82, 20, 4, 95, 500], ['ok', 27, 'loose']), ('badness cap at 10000', [100, 2, 0, 150, 200], ['underfull', 10000, 'very_loose']), ('very loose over tolerance', [100, 4, 0, 110, 200], ['underfull', 1563, 'very_loose']), ('control layout', [104, 8, 7, 113, 500], ['ok', 142, 'very_loose']), ('control layout', [90, 12, 4, 95, 150], ['ok', 7, 'decent'])]]\nfor label, args, expected in fixtures[N - 1]:\n    check(label, solve(args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"broken":{"sha256":"05bbcaac335c33656a5ee735ac86e3722cc88f90a154b985d81f9f3b3c1cc5b3","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nfrom fractions import Fraction\nN = 1\nobservations = []\ndef solve(x):\n    natural, stretch, shrink, width, tolerance = x\n    shortfall = width - natural\n    if shortfall > 0:\n        if stretch == 0:\n            return ['underfull', 10000, 'very_loose']\n        r = Fraction(shortfall, stretch)\n    elif shortfall < 0:\n        if -shortfall > shrink:\n            return ['overfull', 1000000, 'tight']\n        r = Fraction(shortfall, shrink)\n    else:\n        r = Fraction(0)\n    badness = min(10000, math.floor(100 * abs(r) ** 3 + Fraction(1, 2)))\n    if r < Fraction(-1, 2):\n        fitness = 'tight'\n    elif r < Fraction(1, 2):\n        fitness = 'decent'\n    elif r <= 1:\n        fitness = 'loose'\n    else:\n        fitness = 'very_loose'\n    status = 'ok' if badness <= tolerance else 'underfull'\n    return [status, badness, fitness]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('half stretch ratio rounds 12.5 up', [100, 10, 5, 105, 200], ['ok', 13, 'decent']), ('regression: decent fitness upper bound', [120, 12, 3, 126, 1000], ['ok', 13, 'decent']), ('partial-repair probe', [94, 20, 0, 108, 100], ['ok', 34, 'loose']), ('partial-repair probe', [67, 6, 10, 71, 100], ['ok', 30, 'loose']), ('rigid line with slack', [100, 0, 5, 110, 200], ['underfull', 10000, 'very_loose']), ('very loose over tolerance', [100, 4, 0, 110, 200], ['underfull', 1563, 'very_loose']), ('control layout', [63, 8, 8, 61, 200], ['ok', 2, 'decent']), ('control layout', [64, 4, 11, 65, 500], ['ok', 2, 'decent'])], [('regression: decent fitness upper bound', [101, 10, 11, 106, 150], ['ok', 13, 'decent']), ('half stretch ratio rounds 12.5 up', [100, 10, 5, 105, 200], ['ok', 13, 'decent']), ('partial-repair probe', [80, 20, 1, 99, 150], ['ok', 86, 'loose']), ('partial-repair probe', [117, 10, 10, 127, 150], ['ok', 100, 'loose']), ('exact natural width', [100, 10, 5, 100, 200], ['ok', 0, 'decent']), ('one unit past total shrink', [100, 10, 5, 94, 200], ['overfull', 1000000, 'tight']), ('control layout', [92, 3, 7, 100, 500], ['underfull', 1896, 'very_loose']), ('control layout', [86, 3, 10, 109, 100], ['underfull', 10000, 'very_loose'])], [('regression: decent fitness upper bound', [60, 2, 9, 61, 1000], ['ok', 13, 'decent']), ('regression: decent fitness upper bound', [105, 12, 8, 111, 100], ['ok', 13, 'decent']), ('partial-repair probe', [61, 12, 9, 70, 100], ['ok', 42, 'loose']), ('partial-repair probe', [82, 20, 4, 95, 500], ['ok', 27, 'loose']), ('very loose over tolerance', [100, 4, 0, 110, 200], ['underfull', 1563, 'very_loose']), ('negative half ratio is decent', [100, 10, 6, 97, 200], ['ok', 13, 'decent']), ('control layout', [98, 2, 2, 102, 100], ['underfull', 800, 'very_loose']), ('control layout', [73, 3, 0, 67, 200], ['overfull', 1000000, 'tight'])], [('half stretch ratio rounds 12.5 up', [100, 10, 5, 105, 200], ['ok', 13, 'decent']), ('regression: decent fitness upper bound', [120, 12, 3, 126, 1000], ['ok', 13, 'decent']), ('partial-repair probe', [112, 8, 6, 120, 500], ['ok', 100, 'loose']), ('partial-repair probe', [71, 10, 5, 77, 200], ['ok', 22, 'loose']), ('negative half ratio is decent', [100, 10, 6, 97, 200], ['ok', 13, 'decent']), ('very loose over tolerance', [100, 4, 0, 110, 200], ['underfull', 1563, 'very_loose']), ('control layout', [90, 0, 6, 102, 1000], ['underfull', 10000, 'very_loose']), ('control layout', [65, 10, 12, 82, 150], ['underfull', 491, 'very_loose'])], [('half stretch ratio rounds 12.5 up', [100, 10, 5, 105, 200], ['ok', 13, 'decent']), ('regression: decent fitness upper bound', [105, 12, 8, 111, 100], ['ok', 13, 'decent']), ('partial-repair probe', [114, 8, 8, 119, 150], ['ok', 24, 'loose']), ('partial-repair probe', [82, 20, 4, 95, 500], ['ok', 27, 'loose']), ('badness cap at 10000', [100, 2, 0, 150, 200], ['underfull', 10000, 'very_loose']), ('very loose over tolerance', [100, 4, 0, 110, 200], ['underfull', 1563, 'very_loose']), ('control layout', [104, 8, 7, 113, 500], ['ok', 142, 'very_loose']), ('control layout', [90, 12, 4, 95, 150], ['ok', 7, 'decent'])]]\nfor label, args, expected in fixtures[N - 1]:\n    check(label, solve(args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"},"fixed":{"sha256":"cf986c0def1e6f9afe71f6d660e39b81430cb7c29e825e434454c2020a74a311","source":"\"\"\"Failure Map reference implementation. Python standard library only.\"\"\"\nimport json\nimport math\nfrom fractions import Fraction\nN = 1\nobservations = []\ndef solve(x):\n    natural, stretch, shrink, width, tolerance = x\n    shortfall = width - natural\n    if shortfall > 0:\n        if stretch == 0:\n            return ['underfull', 10000, 'very_loose']\n        r = Fraction(shortfall, stretch)\n    elif shortfall < 0:\n        if -shortfall > shrink:\n            return ['overfull', 1000000, 'tight']\n        r = Fraction(shortfall, shrink)\n    else:\n        r = Fraction(0)\n    badness = min(10000, math.floor(100 * abs(r) ** 3 + Fraction(1, 2)))\n    if r < Fraction(-1, 2):\n        fitness = 'tight'\n    elif r <= Fraction(1, 2):\n        fitness = 'decent'\n    elif r <= 1:\n        fitness = 'loose'\n    else:\n        fitness = 'very_loose'\n    status = 'ok' if badness <= tolerance else 'underfull'\n    return [status, badness, fitness]\ndef check(label, actual, expected):\n    observations.append({\"check\": label, \"actual\": actual, \"expected\": expected, \"passed\": actual == expected})\nfixtures = [[('half stretch ratio rounds 12.5 up', [100, 10, 5, 105, 200], ['ok', 13, 'decent']), ('regression: decent fitness upper bound', [120, 12, 3, 126, 1000], ['ok', 13, 'decent']), ('partial-repair probe', [94, 20, 0, 108, 100], ['ok', 34, 'loose']), ('partial-repair probe', [67, 6, 10, 71, 100], ['ok', 30, 'loose']), ('rigid line with slack', [100, 0, 5, 110, 200], ['underfull', 10000, 'very_loose']), ('very loose over tolerance', [100, 4, 0, 110, 200], ['underfull', 1563, 'very_loose']), ('control layout', [63, 8, 8, 61, 200], ['ok', 2, 'decent']), ('control layout', [64, 4, 11, 65, 500], ['ok', 2, 'decent'])], [('regression: decent fitness upper bound', [101, 10, 11, 106, 150], ['ok', 13, 'decent']), ('half stretch ratio rounds 12.5 up', [100, 10, 5, 105, 200], ['ok', 13, 'decent']), ('partial-repair probe', [80, 20, 1, 99, 150], ['ok', 86, 'loose']), ('partial-repair probe', [117, 10, 10, 127, 150], ['ok', 100, 'loose']), ('exact natural width', [100, 10, 5, 100, 200], ['ok', 0, 'decent']), ('one unit past total shrink', [100, 10, 5, 94, 200], ['overfull', 1000000, 'tight']), ('control layout', [92, 3, 7, 100, 500], ['underfull', 1896, 'very_loose']), ('control layout', [86, 3, 10, 109, 100], ['underfull', 10000, 'very_loose'])], [('regression: decent fitness upper bound', [60, 2, 9, 61, 1000], ['ok', 13, 'decent']), ('regression: decent fitness upper bound', [105, 12, 8, 111, 100], ['ok', 13, 'decent']), ('partial-repair probe', [61, 12, 9, 70, 100], ['ok', 42, 'loose']), ('partial-repair probe', [82, 20, 4, 95, 500], ['ok', 27, 'loose']), ('very loose over tolerance', [100, 4, 0, 110, 200], ['underfull', 1563, 'very_loose']), ('negative half ratio is decent', [100, 10, 6, 97, 200], ['ok', 13, 'decent']), ('control layout', [98, 2, 2, 102, 100], ['underfull', 800, 'very_loose']), ('control layout', [73, 3, 0, 67, 200], ['overfull', 1000000, 'tight'])], [('half stretch ratio rounds 12.5 up', [100, 10, 5, 105, 200], ['ok', 13, 'decent']), ('regression: decent fitness upper bound', [120, 12, 3, 126, 1000], ['ok', 13, 'decent']), ('partial-repair probe', [112, 8, 6, 120, 500], ['ok', 100, 'loose']), ('partial-repair probe', [71, 10, 5, 77, 200], ['ok', 22, 'loose']), ('negative half ratio is decent', [100, 10, 6, 97, 200], ['ok', 13, 'decent']), ('very loose over tolerance', [100, 4, 0, 110, 200], ['underfull', 1563, 'very_loose']), ('control layout', [90, 0, 6, 102, 1000], ['underfull', 10000, 'very_loose']), ('control layout', [65, 10, 12, 82, 150], ['underfull', 491, 'very_loose'])], [('half stretch ratio rounds 12.5 up', [100, 10, 5, 105, 200], ['ok', 13, 'decent']), ('regression: decent fitness upper bound', [105, 12, 8, 111, 100], ['ok', 13, 'decent']), ('partial-repair probe', [114, 8, 8, 119, 150], ['ok', 24, 'loose']), ('partial-repair probe', [82, 20, 4, 95, 500], ['ok', 27, 'loose']), ('badness cap at 10000', [100, 2, 0, 150, 200], ['underfull', 10000, 'very_loose']), ('very loose over tolerance', [100, 4, 0, 110, 200], ['underfull', 1563, 'very_loose']), ('control layout', [104, 8, 7, 113, 500], ['ok', 142, 'very_loose']), ('control layout', [90, 12, 4, 95, 150], ['ok', 7, 'decent'])]]\nfor label, args, expected in fixtures[N - 1]:\n    check(label, solve(args), expected)\nprint(json.dumps({\"observations\": observations, \"passed\": all(x[\"passed\"] for x in observations)}, ensure_ascii=False))\nraise SystemExit(0 if all(x[\"passed\"] for x in observations) else 1)\n"}},"limitations":"A deterministic toy typesetting model with integer widths and a stipulated rule set; it does not claim conformance to any engine. This reproducer isolates one failure mechanism. Results cover the supplied fixtures. Variants within a family share a test contract and should remain grouped when constructing evaluation splits. Related mechanisms with a shared evaluation_group must also remain together; these controlled models are not independent production incidents.","method":"Deterministic executable model with adversarial boundary fixtures.","provenance":{"created_by":"Failure Map","dependencies":"Python standard library","family":"w2-typography-line-breaking-glue-badness-decent-fitness-upper-bound","generated_at":"2026-09-29T14:49:48.474331+00:00","license":"CC0-1.0","python":"3.12.14","seed":1,"split":"open-access"},"relevance":"Line breaking decides where paragraphs wrap on screen and in print; a wrong decision point shifts every following line.","repair":"Keep ratio 1/2 inside the decent class (r <= 1/2).","root_cause":"The decent class uses a strict < 1/2 bound, excluding the boundary ratio.","sha256":"668d0192c58f3fe039f8c4ee69f95af5dc3b6869e8e5979a5f9d07e153159331","title":"Glue-set badness rating: decent fitness upper bound · case 01","variant":1,"variant_policy":"Five numbered records share a model and may reuse boundary fixtures.","verification":{"attempt":{"elapsed_ms":42.902,"exit_code":1,"observations":[{"actual":["ok",13,"decent"],"check":"half stretch ratio rounds 12.5 up","expected":["ok",13,"decent"],"passed":true},{"actual":["ok",13,"decent"],"check":"regression: decent fitness upper bound","expected":["ok",13,"decent"],"passed":true},{"actual":["ok",34,"decent"],"check":"partial-repair probe","expected":["ok",34,"loose"],"passed":false},{"actual":["ok",30,"decent"],"check":"partial-repair probe","expected":["ok",30,"loose"],"passed":false},{"actual":["underfull",10000,"very_loose"],"check":"rigid line with slack","expected":["underfull",10000,"very_loose"],"passed":true},{"actual":["underfull",1563,"very_loose"],"check":"very loose over tolerance","expected":["underfull",1563,"very_loose"],"passed":true},{"actual":["ok",2,"decent"],"check":"control layout","expected":["ok",2,"decent"],"passed":true},{"actual":["ok",2,"decent"],"check":"control layout","expected":["ok",2,"decent"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"half stretch ratio rounds 12.5 up\", \"actual\": [\"ok\", 13, \"decent\"], \"expected\": [\"ok\", 13, \"decent\"], \"passed\": true}, {\"check\": \"regression: decent fitness upper bound\", \"actual\": [\"ok\", 13, \"decent\"], \"expected\": [\"ok\", 13, \"decent\"], \"passed\": true}, {\"check\": \"partial-repair probe\", \"actual\": [\"ok\", 34, \"decent\"], \"expected\": [\"ok\", 34, \"loose\"], \"passed\": false}, {\"check\": \"partial-repair probe\", \"actual\": [\"ok\", 30, \"decent\"], \"expected\": [\"ok\", 30, \"loose\"], \"passed\": false}, {\"check\": \"rigid line with slack\", \"actual\": [\"underfull\", 10000, \"very_loose\"], \"expected\": [\"underfull\", 10000, \"very_loose\"], \"passed\": true}, {\"check\": \"very loose over tolerance\", \"actual\": [\"underfull\", 1563, \"very_loose\"], \"expected\": [\"underfull\", 1563, \"very_loose\"], \"passed\": true}, {\"check\": \"control layout\", \"actual\": [\"ok\", 2, \"decent\"], \"expected\": [\"ok\", 2, \"decent\"], \"passed\": true}, {\"check\": \"control layout\", \"actual\": [\"ok\", 2, \"decent\"], \"expected\": [\"ok\", 2, \"decent\"], \"passed\": true}], \"passed\": false}\n"},"broken":{"elapsed_ms":43.646,"exit_code":1,"observations":[{"actual":["ok",13,"loose"],"check":"half stretch ratio rounds 12.5 up","expected":["ok",13,"decent"],"passed":false},{"actual":["ok",13,"loose"],"check":"regression: decent fitness upper bound","expected":["ok",13,"decent"],"passed":false},{"actual":["ok",34,"loose"],"check":"partial-repair probe","expected":["ok",34,"loose"],"passed":true},{"actual":["ok",30,"loose"],"check":"partial-repair probe","expected":["ok",30,"loose"],"passed":true},{"actual":["underfull",10000,"very_loose"],"check":"rigid line with slack","expected":["underfull",10000,"very_loose"],"passed":true},{"actual":["underfull",1563,"very_loose"],"check":"very loose over tolerance","expected":["underfull",1563,"very_loose"],"passed":true},{"actual":["ok",2,"decent"],"check":"control layout","expected":["ok",2,"decent"],"passed":true},{"actual":["ok",2,"decent"],"check":"control layout","expected":["ok",2,"decent"],"passed":true}],"passed":false,"stderr":"","stdout":"{\"observations\": [{\"check\": \"half stretch ratio rounds 12.5 up\", \"actual\": [\"ok\", 13, \"loose\"], \"expected\": [\"ok\", 13, \"decent\"], \"passed\": false}, {\"check\": \"regression: decent fitness upper bound\", \"actual\": [\"ok\", 13, \"loose\"], \"expected\": [\"ok\", 13, \"decent\"], \"passed\": false}, {\"check\": \"partial-repair probe\", \"actual\": [\"ok\", 34, \"loose\"], \"expected\": [\"ok\", 34, \"loose\"], \"passed\": true}, {\"check\": \"partial-repair probe\", \"actual\": [\"ok\", 30, \"loose\"], \"expected\": [\"ok\", 30, \"loose\"], \"passed\": true}, {\"check\": \"rigid line with slack\", \"actual\": [\"underfull\", 10000, \"very_loose\"], \"expected\": [\"underfull\", 10000, \"very_loose\"], \"passed\": true}, {\"check\": \"very loose over tolerance\", \"actual\": [\"underfull\", 1563, \"very_loose\"], \"expected\": [\"underfull\", 1563, \"very_loose\"], \"passed\": true}, {\"check\": \"control layout\", \"actual\": [\"ok\", 2, \"decent\"], \"expected\": [\"ok\", 2, \"decent\"], \"passed\": true}, {\"check\": \"control layout\", \"actual\": [\"ok\", 2, \"decent\"], \"expected\": [\"ok\", 2, \"decent\"], \"passed\": true}], \"passed\": false}\n"},"fixed":{"elapsed_ms":43.16,"exit_code":0,"observations":[{"actual":["ok",13,"decent"],"check":"half stretch ratio rounds 12.5 up","expected":["ok",13,"decent"],"passed":true},{"actual":["ok",13,"decent"],"check":"regression: decent fitness upper bound","expected":["ok",13,"decent"],"passed":true},{"actual":["ok",34,"loose"],"check":"partial-repair probe","expected":["ok",34,"loose"],"passed":true},{"actual":["ok",30,"loose"],"check":"partial-repair probe","expected":["ok",30,"loose"],"passed":true},{"actual":["underfull",10000,"very_loose"],"check":"rigid line with slack","expected":["underfull",10000,"very_loose"],"passed":true},{"actual":["underfull",1563,"very_loose"],"check":"very loose over tolerance","expected":["underfull",1563,"very_loose"],"passed":true},{"actual":["ok",2,"decent"],"check":"control layout","expected":["ok",2,"decent"],"passed":true},{"actual":["ok",2,"decent"],"check":"control layout","expected":["ok",2,"decent"],"passed":true}],"passed":true,"stderr":"","stdout":"{\"observations\": [{\"check\": \"half stretch ratio rounds 12.5 up\", \"actual\": [\"ok\", 13, \"decent\"], \"expected\": [\"ok\", 13, \"decent\"], \"passed\": true}, {\"check\": \"regression: decent fitness upper bound\", \"actual\": [\"ok\", 13, \"decent\"], \"expected\": [\"ok\", 13, \"decent\"], \"passed\": true}, {\"check\": \"partial-repair probe\", \"actual\": [\"ok\", 34, \"loose\"], \"expected\": [\"ok\", 34, \"loose\"], \"passed\": true}, {\"check\": \"partial-repair probe\", \"actual\": [\"ok\", 30, \"loose\"], \"expected\": [\"ok\", 30, \"loose\"], \"passed\": true}, {\"check\": \"rigid line with slack\", \"actual\": [\"underfull\", 10000, \"very_loose\"], \"expected\": [\"underfull\", 10000, \"very_loose\"], \"passed\": true}, {\"check\": \"very loose over tolerance\", \"actual\": [\"underfull\", 1563, \"very_loose\"], \"expected\": [\"underfull\", 1563, \"very_loose\"], \"passed\": true}, {\"check\": \"control layout\", \"actual\": [\"ok\", 2, \"decent\"], \"expected\": [\"ok\", 2, \"decent\"], \"passed\": true}, {\"check\": \"control layout\", \"actual\": [\"ok\", 2, \"decent\"], \"expected\": [\"ok\", 2, \"decent\"], \"passed\": true}], \"passed\": true}\n"}},"verified":true,"visibility":"public"}