{"task": {"agent_timeout": 3000, "task": "testgen__spotbugs__spotbugs-2020", "verifier_timeout": 3000, "instruction": "The following text contains a user issue (in <issue/> brackets) posted at a repository. Further, you are provided with file contents of several files in the repository that contain relevant code (in <code> brackets). It may be necessary to use code from third party dependencies or files not contained in the attached documents however. Your task is to identify the issue and implement a test case that verifies a proposed solution to this issue. More details at the end of this text.\n<issue>\n      ## Code\n\n```java\npublic class IssueXXX {\n\n    static class ATNSimulator {\n        public int adaptivePredict() {\n            return 0;\n        }\n    }\n\n    static class ParserATNSimulator extends ATNSimulator {\n    }\n\n    static class Recognizer<ATNInterpreter extends ATNSimulator> {\n        public ATNInterpreter getInterpreter() {\n            return null;\n        }\n    }\n\n    static class BaseParser extends Recognizer<ParserATNSimulator> {\n    }\n\n    public static class Parser extends BaseParser {\n\n        public void text() {\n            int _alt = 1;\n            do {\n                switch (_alt) {\n                    case 1:\n                        if (_alt == 1) {\n                            continue;\n                        }\n                        break;\n                    default:\n                        throw new RuntimeException();\n                }\n                _alt = getInterpreter().adaptivePredict();\n            } while (_alt != 2);\n        }\n\n    }}\n```\n## Bytecode\n\n```\n  // access flags 0x1\n  public text()V\n   L0\n    LINENUMBER 29 L0\n    ICONST_1\n    ISTORE 1\n   L1\n    LINENUMBER 31 L1\n   FRAME APPEND [I]\n    ILOAD 1\n    LOOKUPSWITCH\n      1: L2\n      default: L3\n   L2\n    LINENUMBER 33 L2\n   FRAME SAME\n    ILOAD 1\n    ICONST_1\n    IF_ICMPNE L4\n   L5\n    LINENUMBER 34 L5\n    GOTO L6\n   L3\n    LINENUMBER 38 L3\n   FRAME SAME\n    NEW java/lang/RuntimeException\n    DUP\n    INVOKESPECIAL java/lang/RuntimeException.<init> ()V\n    ATHROW\n   L4\n    LINENUMBER 40 L4\n   FRAME SAME\n    ALOAD 0\n    INVOKEVIRTUAL ghIssues/Issue2017$Parser.getInterpreter ()LghIssues/Issue2017$ATNSimulator;\n    CHECKCAST ghIssues/Issue2017$ParserATNSimulator\n    INVOKEVIRTUAL ghIssues/Issue2017$ParserATNSimulator.adaptivePredict ()I\n    ISTORE 1\n   L6\n    LINENUMBER 41 L6\n   FRAME SAME\n    ILOAD 1\n    ICONST_2\n    IF_ICMPNE L1\n   L7\n    LINENUMBER 42 L7\n    RETURN\n   L8\n    LOCALVARIABLE this LghIssues/Issue2017$Parser; L0 L8 0\n    LOCALVARIABLE _alt I L1 L8 1\n    MAXSTACK = 2\n    MAXLOCALS = 2\n\n```\n\n## Exception\n```\nThe following errors occurred during analysis:\n  Can't get stack offset 0 from [] @ 40 in ghIssues.IssueXXXX$Parser.text : ()V\n    java.lang.IllegalArgumentException: 0 is not a value stack offset\n      At edu.umd.cs.findbugs.OpcodeStack.getStackItem(OpcodeStack.java:3156)\n      At edu.umd.cs.findbugs.detect.FindReturnRef.afterOpcode(FindReturnRef.java:300)\n      At edu.umd.cs.findbugs.visitclass.DismantleBytecode.visit(DismantleBytecode.java:880)\n      At edu.umd.cs.findbugs.detect.FindReturnRef.visit(FindReturnRef.java:119)\n      At edu.umd.cs.findbugs.visitclass.BetterVisitor.visitCode(BetterVisitor.java:218)\n      At edu.umd.cs.findbugs.visitclass.PreorderVisitor.visitCode(PreorderVisitor.java:243)\n      At edu.umd.cs.findbugs.bcel.OpcodeStackDetector.visitCode(OpcodeStackDetector.java:65)\n      At org.apache.bcel.classfile.Code.accept(Code.java:131)\n      At edu.umd.cs.findbugs.visitclass.PreorderVisitor.doVisitMethod(PreorderVisitor.java:315)\n      At edu.umd.cs.findbugs.visitclass.PreorderVisitor.visitJavaClass(PreorderVisitor.java:397)\n      At org.apache.bcel.classfile.JavaClass.accept(JavaClass.java:213)\n      At edu.umd.cs.findbugs.BytecodeScanningDetector.visitClassContext(BytecodeScanningDetector.java:38)\n      At edu.umd.cs.findbugs.DetectorToDetector2Adapter.visitClass(DetectorToDetector2Adapter.java:76)\n      At edu.umd.cs.findbugs.FindBugs2.lambda$analyzeApplication$1(FindBugs2.java:1108)\n      At java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)\n      At edu.umd.cs.findbugs.CurrentThreadExecutorService.execute(CurrentThreadExecutorService.java:86)\n      At java.base/java.util.concurrent.AbstractExecutorService.invokeAll(AbstractExecutorService.java:247)\n      At edu.umd.cs.findbugs.FindBugs2.analyzeApplication(FindBugs2.java:1118)\n      At edu.umd.cs.findbugs.FindBugs2.execute(FindBugs2.java:309)\n      At edu.umd.cs.findbugs.test.AnalysisRunner.run(AnalysisRunner.java:115)\n```\n\n</issue>\nPlease generate test cases that check whether an implemented solution resolves the issue of the user (at the top, within <issue/> brackets).\nYou may apply changes to several files.\nApply as much reasoning as you please and see necessary.\nMake sure to implement only test cases and don't try to fix the issue itself.\nYou are not allowed to read git history.\n", "memory": "8192m", "runnable": false, "difficulty": "hard", "language": "", "cpus": "", "instruction_truncated": false, "category": "test-generation", "compose": false, "has_solution": true, "oracle": null, "docker_image": "", "taskset": "devopsgym", "tags": ["test-generation", "devops-bench"]}, "runs": []}