./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2b3524191b4b5d8cc9b9fdd0c6bd6c6c9764be59e4abe5528711fb5f8da6697 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:07:11,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:07:11,818 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:07:11,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:07:11,823 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:07:11,844 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:07:11,845 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:07:11,845 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:07:11,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:07:11,845 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:07:11,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:07:11,846 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:07:11,846 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:07:11,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:07:11,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:07:11,846 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:07:11,846 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:07:11,846 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:07:11,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:07:11,846 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:07:11,846 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:07:11,846 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:07:11,847 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:07:11,847 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:07:11,847 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:07:11,847 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:07:11,847 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:07:11,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:07:11,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:07:11,847 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:07:11,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:07:11,847 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:07:11,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:07:11,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2b3524191b4b5d8cc9b9fdd0c6bd6c6c9764be59e4abe5528711fb5f8da6697 [2024-12-06 01:07:12,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:07:12,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:07:12,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:07:12,115 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:07:12,116 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:07:12,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-12-06 01:07:14,842 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/data/843851a72/b1a5567edab347c6a51b6b4af2694b3c/FLAGc38595590 [2024-12-06 01:07:15,019 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:07:15,020 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-12-06 01:07:15,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/data/843851a72/b1a5567edab347c6a51b6b4af2694b3c/FLAGc38595590 [2024-12-06 01:07:15,392 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/data/843851a72/b1a5567edab347c6a51b6b4af2694b3c [2024-12-06 01:07:15,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:07:15,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:07:15,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:07:15,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:07:15,399 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:07:15,400 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:07:15" (1/1) ... [2024-12-06 01:07:15,400 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b61b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:15, skipping insertion in model container [2024-12-06 01:07:15,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:07:15" (1/1) ... [2024-12-06 01:07:15,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:07:15,540 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i[948,961] [2024-12-06 01:07:15,552 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3128) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:255) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1602) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:271) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:783) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:286) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:224) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1158) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1141) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:393) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1629) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3507) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2500) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:641) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:135) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:189) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:116) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:94) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:145) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:07:15,558 INFO L158 Benchmark]: Toolchain (without parser) took 162.10ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 106.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:07:15,558 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:07:15,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 160.34ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 106.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:07:15,560 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 160.34ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 106.8MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:629) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d2b3524191b4b5d8cc9b9fdd0c6bd6c6c9764be59e4abe5528711fb5f8da6697 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:07:17,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:07:17,380 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:07:17,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:07:17,409 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:07:17,409 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:07:17,409 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:07:17,409 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:07:17,409 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:07:17,410 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:07:17,410 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:07:17,410 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:07:17,410 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:07:17,410 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:07:17,410 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:07:17,410 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:07:17,410 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:07:17,410 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:07:17,410 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:07:17,410 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:07:17,411 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:07:17,411 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:07:17,411 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:07:17,411 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:07:17,411 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:07:17,411 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:07:17,411 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:17,411 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:07:17,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:07:17,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:07:17,412 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:07:17,412 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:07:17,412 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:07:17,412 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:07:17,412 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:17,412 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:07:17,412 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2b3524191b4b5d8cc9b9fdd0c6bd6c6c9764be59e4abe5528711fb5f8da6697 [2024-12-06 01:07:17,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:07:17,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:07:17,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:07:17,684 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:07:17,684 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:07:17,685 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-12-06 01:07:20,390 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/data/99857c277/3f03f60479734270a8a5aa0308af3268/FLAG63fcbb611 [2024-12-06 01:07:20,563 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:07:20,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-12-06 01:07:20,571 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/data/99857c277/3f03f60479734270a8a5aa0308af3268/FLAG63fcbb611 [2024-12-06 01:07:20,587 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/data/99857c277/3f03f60479734270a8a5aa0308af3268 [2024-12-06 01:07:20,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:07:20,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:07:20,592 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:07:20,592 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:07:20,597 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:07:20,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,599 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203f5e33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20, skipping insertion in model container [2024-12-06 01:07:20,599 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,615 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:07:20,735 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i[948,961] [2024-12-06 01:07:20,766 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:07:20,777 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:07:20,787 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i[948,961] [2024-12-06 01:07:20,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:07:20,814 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:07:20,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20 WrapperNode [2024-12-06 01:07:20,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:07:20,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:07:20,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:07:20,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:07:20,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,829 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,846 INFO L138 Inliner]: procedures = 18, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2024-12-06 01:07:20,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:07:20,846 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:07:20,846 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:07:20,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:07:20,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,854 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,854 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,861 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,862 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,865 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,866 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:07:20,870 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:07:20,870 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:07:20,870 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:07:20,871 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:07:20" (1/1) ... [2024-12-06 01:07:20,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:07:20,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:07:20,894 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:07:20,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:07:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:07:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:07:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:07:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:07:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:07:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:07:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:07:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:07:20,964 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:07:20,965 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:07:31,744 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 01:07:31,744 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:07:31,829 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:07:31,830 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 01:07:31,830 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:07:31 BoogieIcfgContainer [2024-12-06 01:07:31,830 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:07:31,831 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:07:31,831 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:07:31,841 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:07:31,841 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:07:31" (1/1) ... [2024-12-06 01:07:31,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:07:31,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:31,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 01:07:31,896 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 01:07:31,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:07:31,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:31,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:31,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:31,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:31,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:07:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:37,045 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:38,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:07:38,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:38,630 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:07:38,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:07:39,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:39,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:07:39,181 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:07:39,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:07:39,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:39,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:39,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:39,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:39,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 01:07:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:43,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:44,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:07:44,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:44,711 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:07:44,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 01:07:44,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:44,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:07:44,765 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:07:44,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:07:44,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:44,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:44,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:44,768 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:44,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 01:07:49,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:49,234 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:50,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:07:50,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:07:50,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 01:07:50,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:50,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:07:50,382 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:07:50,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:07:50,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:50,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:50,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:50,384 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:50,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 01:07:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:54,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:07:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:07:55,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:07:55,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:07:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:07:55,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 01:07:55,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:55,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:07:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:07:55,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:07:55,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:55,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:55,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:55,900 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:55,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 01:08:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:00,434 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:01,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:08:01,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:01,513 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:08:01,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 01:08:01,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:01,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:08:01,558 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:08:01,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:08:01,559 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:01,559 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:01,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:01,561 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:01,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 01:08:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:05,927 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:06,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:08:06,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:08:07,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 01:08:07,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:07,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:08:07,137 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:08:07,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:08:07,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:07,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:07,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:07,140 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:07,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 01:08:11,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:11,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:12,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:08:12,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:12,507 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:08:12,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 01:08:12,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:12,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:08:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:08:12,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:08:12,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:12,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:12,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:12,550 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:12,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 01:08:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:17,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:17,972 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:08:17,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:18,207 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:08:18,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 01:08:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:18,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:08:18,247 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:08:18,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:08:18,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:18,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:18,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:18,250 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:18,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 01:08:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:22,861 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:23,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:08:23,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:08:23,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 01:08:23,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:23,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:08:23,929 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:08:23,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:08:23,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:23,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:23,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:23,932 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:23,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 01:08:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:28,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:29,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:08:29,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:29,348 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:08:29,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 01:08:29,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:29,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:08:29,405 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:08:29,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:08:29,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:29,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:29,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:29,407 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:29,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 01:08:33,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:33,787 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:34,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:08:34,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:08:34,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 01:08:34,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:34,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:08:34,926 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:08:34,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:08:34,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:34,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:34,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:34,929 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:34,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 01:08:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:39,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:40,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:08:40,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:08:40,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 01:08:40,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:40,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:08:40,655 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:08:40,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:08:40,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:40,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:40,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:40,657 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:40,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 01:08:44,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:44,952 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:45,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:08:45,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:08:46,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 01:08:46,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:46,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:08:46,125 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:08:46,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:08:46,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:46,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:46,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:46,128 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:46,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 01:08:50,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:50,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:51,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:51,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:08:51,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:51,675 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:08:51,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 01:08:51,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:51,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:08:51,716 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:08:51,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:08:51,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:51,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:51,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:51,718 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:51,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 01:08:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:56,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:08:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:08:56,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:08:56,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:08:57,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:08:57,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 01:08:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:08:57,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:08:57,215 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:08:57,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:08:57,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:08:57,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:08:57,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:08:57,217 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:08:57,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 01:09:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:01,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:02,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:09:02,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:09:02,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 01:09:02,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:02,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:09:02,806 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:09:02,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:09:02,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:02,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:02,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:02,809 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:02,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 01:09:07,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:07,173 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:08,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:09:08,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:08,315 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:09:08,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 01:09:08,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:08,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:09:08,363 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:09:08,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:09:08,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:08,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:08,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:08,366 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:08,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 01:09:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:13,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:13,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:09:13,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:09:14,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 01:09:14,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:14,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:09:14,167 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:09:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:09:14,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:14,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:14,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:14,170 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:14,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 01:09:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:18,507 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:19,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:09:19,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:19,640 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:09:19,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 01:09:19,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:19,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:09:19,678 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:09:19,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:09:19,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:19,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:19,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:19,680 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:19,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 01:09:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:24,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:25,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:09:25,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:09:25,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 01:09:25,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:25,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:09:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:09:25,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:09:25,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:25,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:25,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:25,619 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:25,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 01:09:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:30,015 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:30,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:30,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:09:30,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:31,110 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:09:31,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 01:09:31,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:31,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:09:31,150 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:09:31,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:09:31,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:31,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:31,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:31,152 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:31,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 01:09:35,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:35,761 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:36,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:09:36,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:36,860 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:09:36,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 01:09:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:36,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:09:36,898 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:09:36,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:09:36,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:36,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:36,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:36,900 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:36,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 01:09:41,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:41,158 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:41,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:42,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:09:42,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:42,242 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:09:42,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 01:09:42,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:42,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:09:42,278 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:09:42,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:09:42,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:42,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:42,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:42,280 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:42,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 01:09:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:46,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:47,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:09:47,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:09:47,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 01:09:47,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:47,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:09:47,725 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:09:47,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:09:47,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:47,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:47,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:47,727 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:47,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 01:09:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:51,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:52,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:09:52,828 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:53,055 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:09:53,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 01:09:53,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:53,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:09:53,090 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:09:53,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:09:53,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:53,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:53,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:53,092 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:53,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 01:09:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:57,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:09:58,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:09:58,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:09:58,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:09:58,461 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:09:58,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 01:09:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:09:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:09:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:09:58,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:09:58,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:09:58,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:09:58,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:09:58,502 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:09:58,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 01:10:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:02,763 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:03,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:03,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:10:03,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:03,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:10:03,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 01:10:03,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:03,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:10:03,881 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:10:03,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:10:03,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:03,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:03,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:03,883 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:03,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 01:10:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:08,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:09,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:10:09,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:09,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:10:09,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 01:10:09,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:09,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:10:09,268 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:10:09,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:10:09,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:09,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:09,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:09,271 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:09,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 01:10:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:13,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:14,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:10:14,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:14,976 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:10:15,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 01:10:15,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:15,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:10:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:10:15,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:10:15,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:15,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:15,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:15,012 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:15,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 01:10:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:19,511 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:20,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:10:20,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:20,661 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:10:20,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-06 01:10:20,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:10:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:10:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:10:20,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:20,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:20,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:20,699 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:20,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 01:10:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:24,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:25,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:25,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:10:25,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:25,835 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:10:25,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-06 01:10:25,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:25,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:10:25,872 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:10:25,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:10:25,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:25,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:25,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:25,873 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:25,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 01:10:30,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:30,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:31,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:10:31,116 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:31,355 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:10:31,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-06 01:10:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:31,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:10:31,397 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:10:31,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:10:31,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:31,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:31,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:31,400 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:31,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 01:10:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:35,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:36,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:36,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:10:36,610 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:36,823 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:10:36,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-06 01:10:36,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:36,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:10:36,862 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:10:36,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:10:36,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:36,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:36,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:36,864 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:36,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-06 01:10:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:41,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:42,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:10:42,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:42,408 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:10:42,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-12-06 01:10:42,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:42,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:10:42,448 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:10:42,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:10:42,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:42,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:42,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:42,450 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:42,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-06 01:10:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:46,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:47,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:10:47,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:48,156 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:10:48,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-06 01:10:48,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:48,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:10:48,193 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:10:48,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:10:48,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:48,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:48,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:48,195 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:48,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-06 01:10:52,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:52,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:53,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:53,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:10:53,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:53,918 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:10:53,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-06 01:10:53,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:53,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:10:53,959 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:10:53,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:10:53,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:53,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:53,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:53,961 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:53,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-06 01:10:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:58,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:10:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:10:59,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:10:59,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:10:59,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:10:59,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-12-06 01:10:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:10:59,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:10:59,701 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:10:59,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:10:59,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:10:59,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:10:59,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:10:59,703 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:10:59,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-06 01:11:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:04,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:04,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:11:04,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:11:05,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-06 01:11:05,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:05,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:11:05,251 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:11:05,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:11:05,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:05,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:05,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:05,253 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:05,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-06 01:11:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:09,511 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:10,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:11:10,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:10,668 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:11:10,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-06 01:11:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:10,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:11:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:11:10,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:11:10,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:10,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:10,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:10,709 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:10,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-06 01:11:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:14,979 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:15,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:15,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:11:15,936 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:16,183 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:11:16,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-06 01:11:16,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:16,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:11:16,229 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:11:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:11:16,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:16,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:16,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:16,231 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:16,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-06 01:11:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:20,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:21,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:21,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:11:21,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:21,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:11:21,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-06 01:11:21,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:21,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:11:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:11:21,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:11:21,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:21,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:21,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:21,673 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:21,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-06 01:11:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:26,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:26,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:27,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:11:27,155 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:27,417 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:11:27,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-06 01:11:27,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:27,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:11:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:11:27,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:11:27,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:27,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:27,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:27,469 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:27,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-06 01:11:32,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:32,169 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:33,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:11:33,144 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:33,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:11:33,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-06 01:11:33,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:33,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:11:33,468 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:11:33,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:11:33,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:33,469 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:33,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:33,470 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:33,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-06 01:11:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:38,309 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:39,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:11:39,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:39,549 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:11:39,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-06 01:11:39,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:39,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:11:39,601 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:11:39,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:11:39,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:39,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:39,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:39,603 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:39,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-06 01:11:44,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:44,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:45,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:45,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:11:45,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:45,609 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:11:45,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-06 01:11:45,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:45,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:11:45,654 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:11:45,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:11:45,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:45,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:45,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:45,656 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:45,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-06 01:11:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:50,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:51,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:11:51,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:51,801 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:11:51,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-06 01:11:51,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:51,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:11:51,853 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:11:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:11:51,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:51,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:51,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:51,855 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:51,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-06 01:11:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:56,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:11:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:11:57,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:11:57,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:11:58,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:11:58,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-06 01:11:58,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:11:58,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:11:58,175 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:11:58,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:11:58,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:11:58,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:11:58,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:11:58,177 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:11:58,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-06 01:12:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:02,850 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:03,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:12:03,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:04,092 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:12:04,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-06 01:12:04,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:04,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:12:04,144 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:12:04,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:12:04,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:04,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:04,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:04,147 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:04,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-06 01:12:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:09,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:10,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:12:10,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:10,493 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:12:10,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-06 01:12:10,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:10,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:12:10,544 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:12:10,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:12:10,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:10,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:10,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:10,547 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:10,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-06 01:12:15,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:15,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:16,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:12:16,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:12:16,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-06 01:12:16,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:16,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:12:16,529 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:12:16,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:12:16,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:16,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:16,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:16,531 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:16,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-06 01:12:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:20,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:21,726 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:12:21,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:21,984 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:12:22,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-12-06 01:12:22,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:22,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:12:22,026 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:12:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:12:22,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:22,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:22,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:22,028 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:22,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-06 01:12:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:26,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:27,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:12:27,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:27,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:12:27,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-06 01:12:27,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:27,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:12:27,526 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:12:27,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:12:27,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:27,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:27,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:27,528 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:27,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-06 01:12:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:31,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:32,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:12:32,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:33,000 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:12:33,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-12-06 01:12:33,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:33,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:12:33,046 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:12:33,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:12:33,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:33,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:33,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:33,048 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:33,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-06 01:12:37,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:37,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:38,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:38,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:12:38,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:38,590 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:12:38,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-12-06 01:12:38,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:12:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:12:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:12:38,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:38,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:38,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:38,631 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:38,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-06 01:12:42,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:42,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:43,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:43,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:12:43,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:43,988 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:12:44,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-06 01:12:44,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:44,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:12:44,028 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:12:44,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:12:44,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:44,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:44,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:44,030 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:44,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-06 01:12:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:48,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:49,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:12:49,232 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:49,464 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:12:49,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-06 01:12:49,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:49,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:12:49,504 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:12:49,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:12:49,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:49,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:49,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:49,506 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:49,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-06 01:12:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:53,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:54,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:12:54,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:12:54,930 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:12:54,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-06 01:12:54,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:12:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:12:54,973 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:12:54,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:12:54,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:12:54,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:12:54,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:12:54,975 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:12:54,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-06 01:12:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:12:59,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:12:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:00,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:13:00,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:00,352 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:13:00,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-06 01:13:00,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:00,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:13:00,393 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:13:00,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:13:00,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:00,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:00,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:00,395 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:00,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-06 01:13:04,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:04,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:05,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:05,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:13:05,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:05,777 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:13:05,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-06 01:13:05,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:05,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:13:05,820 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:13:05,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:13:05,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:05,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:05,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:05,822 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:05,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-06 01:13:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:10,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:11,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:13:11,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:11,238 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:13:11,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-06 01:13:11,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:11,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:13:11,281 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:13:11,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:13:11,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:11,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:11,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:11,283 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:11,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-06 01:13:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:15,549 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:16,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:13:16,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:16,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:13:16,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-06 01:13:16,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:16,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:13:16,705 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:13:16,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:13:16,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:16,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:16,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:16,707 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:16,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-06 01:13:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:21,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:21,893 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:13:21,893 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:13:22,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-06 01:13:22,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:22,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:13:22,165 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:13:22,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:13:22,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:22,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:22,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:22,167 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:22,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-06 01:13:26,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:26,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:27,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:13:27,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:27,551 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:13:27,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-06 01:13:27,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:27,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:13:27,593 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:13:27,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:13:27,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:27,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:27,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:27,595 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:27,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-06 01:13:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:31,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:32,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:32,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:13:32,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:32,986 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:13:33,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-06 01:13:33,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:33,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:13:33,027 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:13:33,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:13:33,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:33,027 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:33,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:33,029 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:33,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-06 01:13:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:37,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:37,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:38,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:13:38,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:38,430 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:13:38,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-06 01:13:38,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:38,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:13:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:13:38,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:13:38,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:38,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:38,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:38,469 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:38,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-06 01:13:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:42,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:43,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:13:43,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:13:43,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-06 01:13:43,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:13:43,908 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:13:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:13:43,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:43,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:43,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:43,910 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:43,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-06 01:13:48,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:48,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:49,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:13:49,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:49,319 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:13:49,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-06 01:13:49,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:49,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:13:49,359 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:13:49,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:13:49,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:49,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:49,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:49,361 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:49,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-06 01:13:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:53,626 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:54,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:54,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:13:54,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:13:54,745 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:13:54,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-06 01:13:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:13:54,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:13:54,803 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:13:54,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:13:54,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:13:54,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:13:54,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:13:54,805 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:13:54,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-06 01:13:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:59,072 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:13:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:13:59,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:13:59,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:00,174 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:14:00,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-06 01:14:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:00,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:14:00,213 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:14:00,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:14:00,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:00,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:00,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:00,215 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:00,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-06 01:14:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:04,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:05,363 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:14:05,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:05,600 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:14:05,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-06 01:14:05,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:05,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:14:05,640 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:14:05,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:14:05,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:05,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:05,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:05,642 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:05,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-06 01:14:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:09,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:10,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:14:10,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:11,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:14:11,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-06 01:14:11,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:11,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:14:11,080 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:14:11,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:14:11,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:11,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:11,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:11,082 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:11,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-06 01:14:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:15,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:16,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:14:16,248 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:16,488 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:14:16,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-06 01:14:16,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:16,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:14:16,527 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:14:16,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:14:16,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:16,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:16,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:16,529 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:16,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-06 01:14:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:20,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:21,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:21,878 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:14:21,879 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:22,114 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:14:22,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-06 01:14:22,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:14:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:14:22,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:14:22,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:22,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:22,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:22,153 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:22,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-06 01:14:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:26,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:27,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:14:27,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:27,792 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:14:27,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-06 01:14:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:27,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:14:27,829 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:14:27,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:14:27,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:27,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:27,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:27,831 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:27,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-06 01:14:32,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:32,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:32,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:33,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:14:33,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:14:33,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-06 01:14:33,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:33,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:14:33,409 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:14:33,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:14:33,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:33,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:33,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:33,410 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:33,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-06 01:14:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:37,704 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:38,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:14:38,625 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:38,865 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:14:38,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-06 01:14:38,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:38,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:14:38,906 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:14:38,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:14:38,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:38,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:38,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:38,908 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:38,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-06 01:14:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:43,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:44,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:14:44,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:44,516 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:14:44,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-06 01:14:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:44,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:14:44,558 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:14:44,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:14:44,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:44,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:44,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:44,560 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:44,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-06 01:14:48,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:48,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:49,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:14:49,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:50,128 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:14:50,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-06 01:14:50,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:14:50,179 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:14:50,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:14:50,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:50,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:50,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:50,181 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:50,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-06 01:14:54,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:54,563 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:14:55,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:14:55,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:14:55,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:14:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:14:55,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-06 01:14:55,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:14:55,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:14:55,832 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:14:55,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:14:55,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:14:55,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:14:55,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:14:55,834 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:14:55,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-06 01:15:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:00,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:01,076 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:15:01,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:01,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:15:01,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-06 01:15:01,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:01,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:15:01,366 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:15:01,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:15:01,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:01,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:01,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:01,368 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:01,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-06 01:15:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:05,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:06,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:06,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:15:06,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:15:07,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-12-06 01:15:07,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:07,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:15:07,009 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:15:07,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:15:07,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:07,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:07,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:07,011 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:07,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-06 01:15:11,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:11,397 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:12,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:15:12,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:12,538 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:15:12,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-06 01:15:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:15:12,578 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:15:12,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:15:12,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:12,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:12,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:12,579 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:12,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-06 01:15:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:16,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:17,870 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:15:17,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:18,105 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:15:18,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-06 01:15:18,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:18,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:15:18,145 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:15:18,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:15:18,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:18,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:18,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:18,147 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:18,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-06 01:15:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:22,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:23,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:23,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:15:23,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:23,735 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:15:23,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-06 01:15:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:15:23,776 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:15:23,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:15:23,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:23,776 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:23,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:23,778 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:23,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-06 01:15:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:28,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:29,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:15:29,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:29,360 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:15:29,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-06 01:15:29,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:15:29,402 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:15:29,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:15:29,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:29,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:29,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:29,404 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:29,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-06 01:15:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:33,766 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:34,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:34,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:15:34,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:34,969 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:15:35,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-06 01:15:35,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:35,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:15:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:15:35,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:15:35,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:35,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:35,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:35,014 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:35,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-06 01:15:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:39,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:40,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:15:40,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:40,573 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:15:40,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-12-06 01:15:40,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:40,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:15:40,617 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:15:40,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:15:40,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:40,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:40,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:40,619 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:40,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-06 01:15:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:44,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:45,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:15:45,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:46,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:15:46,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-06 01:15:46,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:46,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:15:46,118 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:15:46,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:15:46,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:46,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:46,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:46,120 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:46,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-06 01:15:50,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:50,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:51,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:51,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:15:51,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:51,679 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:15:51,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-06 01:15:51,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:51,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:15:51,724 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:15:51,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:15:51,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:51,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:51,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:51,726 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:51,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-06 01:15:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:56,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:15:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:15:57,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:15:57,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:15:57,314 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:15:57,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-06 01:15:57,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:15:57,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:15:57,356 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:15:57,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:15:57,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:15:57,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:15:57,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:15:57,358 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:15:57,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-06 01:16:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:01,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:16:02,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:02,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:16:02,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:02,919 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:16:02,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-06 01:16:02,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:02,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:16:02,962 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:16:02,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:16:02,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:02,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:16:02,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:16:02,964 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:16:02,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-06 01:16:07,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:07,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:16:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:08,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:16:08,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:08,548 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:16:08,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-06 01:16:08,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:08,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:16:08,588 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:16:08,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:16:08,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:08,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:16:08,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:16:08,590 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:16:08,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-06 01:16:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:12,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:16:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:13,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:16:13,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:14,058 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:16:14,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-06 01:16:14,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:14,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:16:14,098 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:16:14,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:16:14,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:14,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:16:14,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:16:14,100 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:16:14,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-06 01:16:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:18,528 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:16:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:19,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:16:19,394 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:19,667 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:16:19,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-12-06 01:16:19,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:19,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:16:19,710 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:16:19,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:16:19,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:19,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:16:19,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:16:19,712 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:16:19,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-06 01:16:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:24,050 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:16:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:24,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:16:24,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:25,213 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:16:25,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-06 01:16:25,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:16:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:16:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:16:25,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:25,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:16:25,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:16:25,257 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:16:25,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-06 01:16:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:30,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:16:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:30,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:16:30,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:31,245 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:16:31,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-06 01:16:31,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:31,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:16:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:16:31,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:16:31,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:31,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:16:31,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:16:31,293 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:16:31,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-06 01:16:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:35,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:16:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:36,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:16:36,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:16:36,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-06 01:16:36,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:36,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:16:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:16:36,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:16:36,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:36,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:16:36,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:16:36,878 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:16:36,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-06 01:16:41,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:41,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:16:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:42,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:16:42,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:42,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:16:42,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-12-06 01:16:42,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:42,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:16:42,470 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:16:42,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:16:42,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:42,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:16:42,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:16:42,472 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:16:42,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-06 01:16:46,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:46,885 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:16:47,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:47,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:16:47,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:48,005 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:16:48,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-06 01:16:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:48,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:16:48,052 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:16:48,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:16:48,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:48,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:16:48,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:16:48,054 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:16:48,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-06 01:16:52,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:52,437 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:16:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:53,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:16:53,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:53,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:16:53,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-06 01:16:53,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:53,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:16:53,602 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:16:53,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:16:53,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:53,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:16:53,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:16:53,604 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:16:53,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-06 01:16:58,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:58,038 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:16:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:16:59,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:16:59,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:16:59,282 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:16:59,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-06 01:16:59,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:16:59,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:16:59,324 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:16:59,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:16:59,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:16:59,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:16:59,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:16:59,326 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:16:59,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-06 01:17:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:03,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:04,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:04,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:04,972 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:17:05,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-12-06 01:17:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:05,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:17:05,017 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:17:05,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:17:05,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:05,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:05,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:05,019 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:05,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-06 01:17:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:09,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:10,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:10,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:10,662 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:17:10,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-06 01:17:10,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:10,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:17:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:17:10,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:17:10,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:10,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:10,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:10,705 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:10,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-06 01:17:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:15,042 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:15,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:15,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:15,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:17:16,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-12-06 01:17:16,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:17:16,216 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:17:16,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:17:16,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:16,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:16,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:16,218 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:16,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-06 01:17:20,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:20,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:21,536 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:21,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:21,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:17:21,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-06 01:17:21,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:21,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:17:21,800 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:17:21,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:17:21,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:21,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:21,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:21,801 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:21,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-06 01:17:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:26,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:26,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:27,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:27,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:27,302 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:17:27,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-12-06 01:17:27,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:27,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:17:27,339 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:17:27,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:17:27,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:27,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:27,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:27,341 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:27,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-06 01:17:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:31,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:32,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:32,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:32,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:17:32,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-12-06 01:17:32,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:32,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:17:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:17:32,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:17:32,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:32,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:32,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:32,920 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:32,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-06 01:17:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:37,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:38,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:38,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:38,651 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:17:38,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-12-06 01:17:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:38,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:17:38,692 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:17:38,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:17:38,692 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:38,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:38,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:38,693 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:38,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-06 01:17:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:43,026 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:43,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:43,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:44,172 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:17:44,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-12-06 01:17:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:44,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:17:44,209 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:17:44,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:17:44,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:44,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:44,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:44,211 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:44,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-06 01:17:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:48,675 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:49,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:49,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:17:49,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-12-06 01:17:49,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:49,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:17:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:17:49,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:17:49,836 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:49,836 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:49,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:49,838 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:49,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-06 01:17:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:54,217 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:17:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:55,143 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:17:55,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:17:55,388 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:17:55,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-06 01:17:55,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:17:55,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:17:55,422 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:17:55,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:17:55,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:17:55,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:17:55,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:17:55,424 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:17:55,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-06 01:17:59,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:17:59,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:00,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:00,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:00,934 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:18:00,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-06 01:18:00,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:00,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:18:00,973 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:18:00,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:18:00,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:00,973 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:00,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:00,974 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:00,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-06 01:18:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:05,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:06,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:06,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:18:06,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-12-06 01:18:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:06,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:18:06,513 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:18:06,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:18:06,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:06,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:06,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:06,515 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:06,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-06 01:18:11,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:11,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:12,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:12,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:12,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:18:12,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-12-06 01:18:12,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:12,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:18:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:18:12,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:18:12,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:12,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:12,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:12,344 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:12,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-06 01:18:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:16,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:17,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:17,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:17,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:18:17,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-12-06 01:18:17,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:17,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:18:17,966 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:18:17,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:18:17,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:17,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:17,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:17,967 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:17,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-06 01:18:22,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:22,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:23,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:23,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:23,487 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:18:23,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-12-06 01:18:23,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:23,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:18:23,530 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:18:23,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:18:23,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:23,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:23,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:23,532 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:23,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-06 01:18:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:28,028 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:28,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:28,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:29,180 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:18:29,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-06 01:18:29,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:29,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:18:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:18:29,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:18:29,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:29,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:29,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:29,226 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:29,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-06 01:18:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:33,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:34,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:34,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:18:34,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-12-06 01:18:34,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:34,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:18:34,725 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:18:34,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:18:34,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:34,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:34,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:34,727 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:34,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-06 01:18:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:39,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:39,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:39,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:40,229 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:18:40,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-12-06 01:18:40,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:40,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:18:40,271 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:18:40,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:18:40,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:40,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:40,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:40,273 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:40,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-06 01:18:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:44,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:45,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:45,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:18:45,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-06 01:18:45,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:45,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:18:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:18:45,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:18:45,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:45,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:45,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:45,840 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:45,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-06 01:18:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:50,164 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:50,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:51,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:51,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:51,302 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:18:51,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-12-06 01:18:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:51,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:18:51,339 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:18:51,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:18:51,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:51,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:51,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:51,340 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:51,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-06 01:18:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:55,691 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:56,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:56,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:18:56,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:18:56,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:18:56,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-06 01:18:56,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:56,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:18:56,916 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:18:56,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:18:56,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:56,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:56,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:56,918 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:56,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-06 01:19:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:01,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:02,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:19:02,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:19:02,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-12-06 01:19:02,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:02,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:19:02,538 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:19:02,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:19:02,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:02,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:02,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:02,540 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:02,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-06 01:19:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:06,878 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:07,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:19:07,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:08,097 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:19:08,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-12-06 01:19:08,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:19:08,135 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:19:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:19:08,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:08,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:08,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:08,137 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:08,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-06 01:19:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:12,461 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:13,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:13,421 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:19:13,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:13,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:19:13,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-12-06 01:19:13,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:13,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:19:13,736 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:19:13,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:19:13,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:13,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:13,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:13,738 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:13,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-06 01:19:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:18,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:19,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:19:19,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:19:19,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-12-06 01:19:19,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:19:19,390 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:19:19,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:19:19,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:19,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:19,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:19,392 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:19,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-06 01:19:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:23,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:24,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:19:24,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:24,955 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:19:24,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-12-06 01:19:25,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:25,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:19:25,001 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:19:25,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:19:25,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:25,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:25,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:25,003 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:25,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-06 01:19:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:29,305 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:30,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:19:30,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:19:30,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-12-06 01:19:30,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:30,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:19:30,494 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:19:30,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:19:30,495 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:30,495 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:30,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:30,496 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:30,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-06 01:19:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:34,854 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:35,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:19:35,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:19:36,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-12-06 01:19:36,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:36,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:19:36,117 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:19:36,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:19:36,117 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:36,117 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:36,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:36,119 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:36,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-06 01:19:40,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:40,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:41,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:19:41,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:41,594 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:19:41,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Forceful destruction successful, exit code 0 [2024-12-06 01:19:41,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:41,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:19:41,633 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:19:41,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:19:41,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:41,633 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:41,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:41,635 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:41,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-06 01:19:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:45,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:46,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:19:46,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:47,172 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:19:47,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-12-06 01:19:47,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:19:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:19:47,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:19:47,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:47,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:47,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:47,214 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:47,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-12-06 01:19:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:51,555 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:52,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:19:52,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:52,751 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:19:52,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-12-06 01:19:52,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:52,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:19:52,793 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:19:52,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:19:52,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:52,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:52,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:52,795 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:52,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-12-06 01:19:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:57,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:19:57,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:57,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:19:57,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:19:58,219 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:19:58,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-12-06 01:19:58,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:58,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:19:58,259 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:19:58,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:19:58,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:58,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:19:58,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:19:58,260 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:19:58,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-12-06 01:20:02,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:02,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:03,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:03,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:03,741 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:20:03,779 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-12-06 01:20:03,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:03,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:20:03,780 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:20:03,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:20:03,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:03,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:03,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:03,782 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:03,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-12-06 01:20:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:08,158 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:08,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:09,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:09,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:20:09,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-12-06 01:20:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:20:09,322 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:20:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:20:09,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:09,322 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:09,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:09,324 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:09,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-12-06 01:20:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:13,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:14,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:14,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:14,904 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:20:14,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-12-06 01:20:14,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:14,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:20:14,944 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:20:14,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:20:14,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:14,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:14,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:14,946 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:14,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-12-06 01:20:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:19,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:20,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:20,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:20,457 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:20:20,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-12-06 01:20:20,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:20,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:20:20,501 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:20:20,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:20:20,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:20,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:20,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:20,503 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:20,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-12-06 01:20:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:24,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:25,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:25,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:26,027 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:20:26,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-12-06 01:20:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:26,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:20:26,069 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:20:26,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:20:26,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:26,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:26,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:26,071 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:26,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-12-06 01:20:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:30,432 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:31,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:31,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:31,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:31,643 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:20:31,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-12-06 01:20:31,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:31,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:20:31,683 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:20:31,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:20:31,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:31,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:31,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:31,685 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:31,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-12-06 01:20:36,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:36,043 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:36,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:37,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:37,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:37,269 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:20:37,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-12-06 01:20:37,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:37,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:20:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:20:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:20:37,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:37,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:37,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:37,316 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:37,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-12-06 01:20:41,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:41,653 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:42,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:42,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:42,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:42,877 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:20:42,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-12-06 01:20:42,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:42,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:20:42,918 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:20:42,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:20:42,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:42,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:42,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:42,919 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:42,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-12-06 01:20:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:47,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:47,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:48,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:48,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:48,420 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:20:48,459 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-12-06 01:20:48,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:20:48,460 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:20:48,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:20:48,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:48,461 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:48,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:48,462 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:48,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-12-06 01:20:52,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:52,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:53,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:53,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:54,001 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:20:54,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-12-06 01:20:54,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:54,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:20:54,041 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:20:54,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:20:54,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:54,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:54,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:54,043 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:54,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-12-06 01:20:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:58,402 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:20:59,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:20:59,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:20:59,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:20:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:20:59,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-12-06 01:20:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:59,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:20:59,642 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:20:59,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:20:59,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:59,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:59,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:59,644 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:59,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-12-06 01:21:04,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:04,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:04,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:21:04,978 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:05,230 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:21:05,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-12-06 01:21:05,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:05,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:21:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:21:05,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:21:05,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:05,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:05,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:05,274 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:05,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-12-06 01:21:09,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:09,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:10,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:21:10,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:21:10,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-12-06 01:21:10,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:10,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:21:10,893 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:21:10,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:21:10,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:10,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:10,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:10,895 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:10,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-12-06 01:21:15,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:15,217 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:16,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:21:16,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:16,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:21:16,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-12-06 01:21:16,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:16,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:21:16,436 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:21:16,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:21:16,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:16,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:16,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:16,438 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:16,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-12-06 01:21:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:20,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:21,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:21:21,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:21:22,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-12-06 01:21:22,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:22,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:21:22,012 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:21:22,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:21:22,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:22,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:22,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:22,014 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:22,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-12-06 01:21:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:26,362 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:27,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:21:27,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:27,587 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:21:27,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-12-06 01:21:27,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:27,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:21:27,627 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:21:27,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:21:27,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:27,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:27,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:27,629 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:27,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-12-06 01:21:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:31,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:32,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:21:32,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:33,182 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:21:33,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-12-06 01:21:33,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:33,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:21:33,223 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:21:33,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:21:33,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:33,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:33,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:33,225 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:33,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-12-06 01:21:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:37,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:38,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:21:38,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:38,855 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:21:38,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-12-06 01:21:38,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:38,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:21:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:21:38,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:21:38,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:38,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:38,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:38,903 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:38,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-12-06 01:21:43,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:43,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:43,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:44,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:21:44,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:21:44,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-12-06 01:21:44,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:44,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:21:44,457 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:21:44,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:21:44,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:44,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:44,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:44,459 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:44,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-12-06 01:21:48,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:48,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:49,758 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:21:49,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:50,010 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:21:50,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Forceful destruction successful, exit code 0 [2024-12-06 01:21:50,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:50,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:21:50,055 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:21:50,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:21:50,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:50,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:50,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:50,056 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:50,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-12-06 01:21:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:54,391 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:21:55,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:55,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:21:55,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:21:55,530 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:21:55,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-12-06 01:21:55,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:21:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:21:55,569 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:21:55,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:21:55,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:21:55,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:21:55,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:21:55,571 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:21:55,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-12-06 01:21:59,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:21:59,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:00,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:00,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:22:00,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:01,151 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:22:01,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-12-06 01:22:01,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:01,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:22:01,191 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:22:01,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:22:01,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:01,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:01,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:01,192 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:01,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-12-06 01:22:05,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:05,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:06,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:22:06,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:22:06,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-12-06 01:22:06,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:22:06,741 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:22:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:22:06,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:06,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:06,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:06,742 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:06,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-12-06 01:22:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:11,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:11,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:22:11,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:12,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:22:12,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-12-06 01:22:12,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:12,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:22:12,209 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:22:12,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:22:12,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:12,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:12,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:12,211 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:12,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-12-06 01:22:16,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:16,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:17,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:22:17,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:17,782 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:22:17,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-12-06 01:22:17,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:17,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:22:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:22:17,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:22:17,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:17,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:17,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:17,828 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:17,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-12-06 01:22:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:22,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:23,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:22:23,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:22:23,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-12-06 01:22:23,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:23,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:22:23,340 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:22:23,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:22:23,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:23,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:23,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:23,342 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:23,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-12-06 01:22:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:27,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:28,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:22:28,641 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:28,905 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:22:28,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-12-06 01:22:28,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:28,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:22:28,947 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:22:28,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:22:28,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:28,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:28,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:28,949 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:28,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-12-06 01:22:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:33,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:22:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:34,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 01:22:34,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 01:22:34,453 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 01:22:34,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-12-06 01:22:34,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:22:34,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2024-12-06 01:22:34,499 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2024-12-06 01:22:34,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-06 01:22:34,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:22:34,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:22:34,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:22:34,501 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:22:34,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88bcf0ff-cad0-440f-b26b-edfb5b69992e/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-12-06 01:22:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:22:38,889 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported