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JcMachine failed with IllegalStateException: Unexpected type

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#120 1 comment 0 reactions 1 assignee View on GitHub

@Damtev is already working on this.

Since Nov 22, 2023.

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This issue has not been assessed yet.

Description

bug

Consider the following tests generation scenario:

timeLimit = 120
methodFilter = "com.google.common.net.MediaType.*"
projectFilter = listOf("guava")

The following exception can be found in logs

JcMachine failed
java.lang.IllegalStateException: Unexpected type: org.jacodb.impl.types.JcTypeVariableImpl@5a0c610b
	at org.usvm.util.JcMethodUtilsKt.findMethod(JcMethodUtils.kt:30) ~[usvm-jvm-comp-231118-1620.jar:?]
	at org.usvm.machine.interpreter.JcVirtualInvokeResolverKt$makeConcreteCallsForPossibleTypes$1$block$1.invoke(JcVirtualInvokeResolver.kt:281) ~[usvm-jvm-comp-231118-1620.jar:?]
	at org.usvm.machine.interpreter.JcVirtualInvokeResolverKt$makeConcreteCallsForPossibleTypes$1$block$1.invoke(JcVirtualInvokeResolver.kt:280) ~[usvm-jvm-comp-231118-1620.jar:?]
	at org.usvm.StepScope.forkMulti(StepScope.kt:117) ~[usvm-core-comp-231118-1620.jar:?]
	at org.usvm.machine.interpreter.JcVirtualInvokeResolverKt.resolveVirtualInvokeWithModel(JcVirtualInvokeResolver.kt:110) ~[usvm-jvm-comp-231118-1620.jar:?]
	at org.usvm.machine.interpreter.JcVirtualInvokeResolverKt.resolveVirtualInvoke(JcVirtualInvokeResolver.kt:53) ~[usvm-jvm-comp-231118-1620.jar:?]
	at org.usvm.machine.interpreter.JcInterpreter.resolveVirtualInvoke(JcInterpreter.kt:581) ~[usvm-jvm-comp-231118-1620.jar:?]
	at org.usvm.machine.interpreter.JcInterpreter.visitMethodCall(JcInterpreter.kt:269) ~[usvm-jvm-comp-231118-1620.jar:?]
	at org.usvm.machine.interpreter.JcInterpreter.step(JcInterpreter.kt:158) ~[usvm-jvm-comp-231118-1620.jar:?]
	at org.usvm.machine.interpreter.JcInterpreter.step(JcInterpreter.kt:82) ~[usvm-jvm-comp-231118-1620.jar:?]
	at org.usvm.UMachine.run(Machine.kt:40) ~[usvm-core-comp-231118-1620.jar:?]
	at org.usvm.machine.JcMachine.analyze(JcMachine.kt:148) ~[usvm-jvm-comp-231118-1620.jar:?]
	at org.usvm.machine.JcMachine.analyze$default(JcMachine.kt:53) ~[usvm-jvm-comp-231118-1620.jar:?]
	at org.utbot.contest.usvm.ContestUsvmKt$runUsvmGeneration$1$9$8$states$2$1.invoke(ContestUsvm.kt:184) ~[main/:?]
	at org.utbot.common.ThreadBasedExecutor$invokeWithTimeout$1.invoke(ThreadUtil.kt:70) ~[utbot-core-2023.11-SNAPSHOT.jar:?]
	at org.utbot.common.ThreadBasedExecutor$ensureThreadIsAlive$1.invoke(ThreadUtil.kt:124) ~[utbot-core-2023.11-SNAPSHOT.jar:?]
	at org.utbot.common.ThreadBasedExecutor$ensureThreadIsAlive$1.invoke(ThreadUtil.kt:120) ~[utbot-core-2023.11-SNAPSHOT.jar:?]
	at kotlin.concurrent.ThreadsKt$thread$thread$1.run(Thread.kt:30) ~[kotlin-stdlib-1.8.22.jar:1.8.22-release-407(1.8.22)]
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