AutoFeedback API

Result bf691ea9-68fa-4cbf-a882-826059592aaf

{
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    "id" : "bf691ea9-68fa-4cbf-a882-826059592aaf",
    "startTime" : "2026-09-12T10:49:11.488452Z",
    "endTime" : "2026-09-12T10:51:36.368578Z",
    "status" : "SUCCESS",
    "commitHash" : "2a766f47fbfa2440b06182e8f697a1ce4c3ababc"
  },
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      "notification" : "",
      "feedbacks" : {
        "sorting" : {
          "hasChanged" : false,
          "feedback" : "##### Correctness\n\n\n##### Suggestion\n\n\n##### Code Style\n- Your submission matches the required functionality and constraints; no major style issues stand out.\n"
        }
      },
      "feedback" : null,
      "status" : "SUCCESS"
    },
    "structure" : {
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      "programmingTime" : 0.4561621983830263,
      "codeUnderstandability" : 0.5547196831421471,
      "children" : [ {
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        "similarityToProf" : 0.5,
        "codeComplexity" : 0.5,
        "programmingTime" : 0.5,
        "codeUnderstandability" : 0.5,
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          "codeUnderstandability" : 0.5,
          "children" : [ {
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            "similarityToProf" : 0.5,
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            "children" : [ ]
          }, {
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          "isValid" : false,
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              "file" : "/work/ForLoop.java",
              "line" : 3,
              "check" : "Feasibility check #1 - after static initialization ",
              "result" : " OK [0.01 secs]"
            }, {
              "file" : "/work/ForLoop.java",
              "line" : 3,
              "check" : "Feasibility check #2 - after static initial state assumption ",
              "result" : " OK [0.00 secs]"
            }, {
              "file" : "/work/ForLoop.java",
              "line" : 3,
              "check" : "Feasibility check #3 - after inherited fields ",
              "result" : " OK [0.00 secs]"
            }, {
              "file" : "/work/ForLoop.java",
              "line" : 3,
              "check" : "Feasibility check #4 - after allocation assumption ",
              "result" : " OK [0.00 secs]"
            }, {
              "file" : "/work/ForLoop.java",
              "line" : 3,
              "check" : "Feasibility check #5 - after invariants for receiver of ForLoop() ",
              "result" : " OK [0.01 secs]"
            }, {
              "file" : "/work/ForLoop.java",
              "line" : 3,
              "check" : "Feasibility check #6 - end of preconditions ",
              "result" : " OK [0.00 secs]"
            }, {
              "file" : "/work/ForLoop.java",
              "line" : 3,
              "check" : "Feasibility check #7 - before call ",
              "result" : " OK [0.00 secs]"
            }, {
              "file" : "/work/ForLoop.java",
              "line" : 3,
              "check" : "Feasibility check #8 - after call ",
              "result" : " OK [0.00 secs]"
            }, {
              "file" : "/work/ForLoop.java",
              "line" : 1,
              "check" : "Feasibility check #9 - at implicit return ",
              "result" : " OK [0.00 secs]"
            }, {
              "file" : "/work/ForLoop.java",
              "line" : 1,
              "check" : "Feasibility check #10 - at program exit ",
              "result" : " OK [0.00 secs]"
            } ],
            "warnings" : [ ],
            "endLineNr" : 14,
            "feedback" : "Feasibility check #1 - after static initialization   OK [0.01 secs]\nFeasibility check #2 - after static initial state assumption   OK [0.00 secs]\nFeasibility check #3 - after inherited fields   OK [0.00 secs]\nFeasibility check #4 - after allocation assumption   OK [0.00 secs]\nFeasibility check #5 - after invariants for receiver of ForLoop()   OK [0.01 secs]\nFeasibility check #6 - end of preconditions   OK [0.00 secs]\nFeasibility check #7 - before call   OK [0.00 secs]\nFeasibility check #8 - after call   OK [0.00 secs]\nFeasibility check #9 - at implicit return   OK [0.00 secs]\nFeasibility check #10 - at program exit   OK [0.00 secs]\n"
          }, {
            "methodName" : "ch.fhnw.autofeedback.exercise.ForLoop.forloop(int)",
            "isValid" : false,
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            "warnings" : [ {
              "endLineNr" : 67,
              "warning" : "/work/ForLoop.java:10: verify The prover cannot establish an assertion (Postcondition /work/ForLoop.java:6:) in method forloop\n        return x;\n        ^\n/work/ForLoop.java:6: verify Associated declaration /work/ForLoop.java:10:\n        ensures \\result == 0;\n        ^\n",
              "trace" : "/work/ForLoop.java:1: \trequires true; \n\t\t\tVALUE true\t === true\n/work/ForLoop.java:5: \trequires x == -15; \n\t\t\tVALUE x\t === ( - 15 )\n\t\t\tVALUE -15\t === ( - 15 )\n\t\t\tVALUE x == -15\t === true\n/work/ForLoop.java:10: \treturn x;\n/work/ForLoop.java:6: \tensures \\result == 0; \n\t\t\tVALUE \\result\t === ( - 15 )\n\t\t\tVALUE 0\t === 0\n\t\t\tVALUE \\result == 0\t === false\n/work/ForLoop.java:10: Invalid assertion (Postcondition)\n /work/ForLoop.java:6: Associated location\n",
              "counterexample" : "`THIS = |`THIS|\nx_0_0___7 = 0\nASSERT_41_136 = true\njava.lang.Object_`alloc___47_0___5 = ( store ( ( as const ( Array REF Int ) ) 0 ) REF!val!6 ( - 38 ) )\nASSERT_43_136 = true\n`exception_136_136___8 = NULL\n__JML_FeasCheck_ = 0\n`THIS = |`THIS|\nch.fhnw.autofeedback.exercise.ForLoop__heap___0_136___12 = 2\nPre_2_83_72___13 = true\nASSERT_33_136 = true\nASSERT_45_136 = true\nASSERT_39_136 = true\nASSERT_47_136 = true\n_JML__tmp`6 = true\nASSERT_29_136 = true\njava.lang.Object_`isalloc___47_0___6 = ( ( as const ( Array REF Bool ) ) true )\nASSERT_38_136 = true\nASSERT_32_136 = true\njava.lang.Object_theHashCode_2969_0___2 = ( ( as const ( Array REF Int ) ) ( - 2147475929 ) )\nx_148_148___10 = ( - 15 )\nASSERT_40_136 = true\njava.lang.Object___owner_2072_0___3 = ( ( as const ( Array REF REF ) ) REF!val!6 )\n_JML__tmp`7 = true\n`terminationPosition_136_136___9 = 0\n`result_136_136___11 = 0\n"
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            "feedback" : "Attention the line numbers are calculated and could be wrong!\n/work/ForLoop.java:10: verify The prover cannot establish an assertion (Postcondition /work/ForLoop.java:6:) in method forloop\n        return x;\n        ^\n/work/ForLoop.java:6: verify Associated declaration /work/ForLoop.java:10:\n        ensures \\result == 0;\n        ^\n%%TRACE%%/work/ForLoop.java:1: \trequires true; \n\t\t\tVALUE true\t === true\n/work/ForLoop.java:5: \trequires x == -15; \n\t\t\tVALUE x\t === ( - 15 )\n\t\t\tVALUE -15\t === ( - 15 )\n\t\t\tVALUE x == -15\t === true\n/work/ForLoop.java:10: \treturn x;\n/work/ForLoop.java:6: \tensures \\result == 0; \n\t\t\tVALUE \\result\t === ( - 15 )\n\t\t\tVALUE 0\t === 0\n\t\t\tVALUE \\result == 0\t === false\n/work/ForLoop.java:10: Invalid assertion (Postcondition)\n /work/ForLoop.java:6: Associated location\n%%ENDTRACE%%"
          } ]
        }
      }
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        "name" : "testMax()",
        "status" : "FAILED",
        "message" : "expected: <20> but was: <0>"
      } ]
    }
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