./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 a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 23:13:47,864 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:13:47,968 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:13:47,974 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:13:47,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:13:48,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:13:48,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:13:48,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:13:48,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:13:48,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:13:48,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:13:48,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:13:48,022 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:13:48,023 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:13:48,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:13:48,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:13:48,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:13:48,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:13:48,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:13:48,029 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:13:48,030 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:13:48,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:13:48,034 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:13:48,035 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:13:48,035 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:13:48,035 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:13:48,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:13:48,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:13:48,036 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:13:48,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:13:48,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:13:48,037 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:13:48,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:13:48,038 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2b3524191b4b5d8cc9b9fdd0c6bd6c6c9764be59e4abe5528711fb5f8da6697 [2024-11-08 23:13:48,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:13:48,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:13:48,444 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:13:48,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:13:48,446 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:13:48,447 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i Unable to find full path for "g++" [2024-11-08 23:13:50,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:13:50,708 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:13:50,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-11-08 23:13:50,717 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/data/0598519e3/cfda1ecbca4b4df7832aa080f176232e/FLAGa28c71f57 [2024-11-08 23:13:50,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/data/0598519e3/cfda1ecbca4b4df7832aa080f176232e [2024-11-08 23:13:50,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:13:50,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:13:50,739 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:13:50,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:13:50,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:13:50,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:13:50" (1/1) ... [2024-11-08 23:13:50,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20ed725a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:50, skipping insertion in model container [2024-11-08 23:13:50,748 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:13:50" (1/1) ... [2024-11-08 23:13:50,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:13:51,058 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_40ecda6b-718e-4b1e-b792-9449d4612c51/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i[948,961] [2024-11-08 23:13:51,075 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:627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:3125) 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:1625) 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:792) 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:1520) 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:1167) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1150) 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:388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1652) 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:3539) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2522) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:642) 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) [2024-11-08 23:13:51,085 INFO L158 Benchmark]: Toolchain (without parser) took 342.28ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 134.7MB in the end (delta: -7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:13:51,086 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:13:51,087 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.61ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 134.7MB in the end (delta: -7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 23:13:51,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 78.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.61ms. Allocated memory is still 165.7MB. Free memory was 127.6MB in the beginning and 134.7MB in the end (delta: -7.1MB). 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:627) 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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 23:13:53,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:13:53,690 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:13:53,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:13:53,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:13:53,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:13:53,747 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:13:53,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:13:53,749 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:13:53,750 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:13:53,750 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:13:53,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:13:53,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:13:53,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:13:53,752 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:13:53,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:13:53,755 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:13:53,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:13:53,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:13:53,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:13:53,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:13:53,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:13:53,761 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:13:53,761 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:13:53,762 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:13:53,762 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:13:53,762 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:53,762 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:13:53,763 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:13:53,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:13:53,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:13:53,763 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:13:53,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:13:53,764 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:13:53,765 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:13:53,766 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:13:53,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2b3524191b4b5d8cc9b9fdd0c6bd6c6c9764be59e4abe5528711fb5f8da6697 [2024-11-08 23:13:54,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:13:54,239 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:13:54,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:13:54,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:13:54,246 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:13:54,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i Unable to find full path for "g++" [2024-11-08 23:13:56,498 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:13:56,741 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:13:56,745 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i [2024-11-08 23:13:56,756 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/data/379234df2/b36b528036ee444fa8a92c95f951a155/FLAGa95ef94ed [2024-11-08 23:13:56,779 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/data/379234df2/b36b528036ee444fa8a92c95f951a155 [2024-11-08 23:13:56,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:13:56,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:13:56,785 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:13:56,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:13:56,793 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:13:56,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:13:56" (1/1) ... [2024-11-08 23:13:56,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@653b26be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:56, skipping insertion in model container [2024-11-08 23:13:56,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:13:56" (1/1) ... [2024-11-08 23:13:56,828 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:13:57,077 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_40ecda6b-718e-4b1e-b792-9449d4612c51/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i[948,961] [2024-11-08 23:13:57,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:13:57,176 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:13:57,196 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_40ecda6b-718e-4b1e-b792-9449d4612c51/sv-benchmarks/c/nla-digbench-scaling/knuth_valuebound1.i[948,961] [2024-11-08 23:13:57,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:13:57,267 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:13:57,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:57 WrapperNode [2024-11-08 23:13:57,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:13:57,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:13:57,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:13:57,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:13:57,281 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:57" (1/1) ... [2024-11-08 23:13:57,299 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:57" (1/1) ... [2024-11-08 23:13:57,331 INFO L138 Inliner]: procedures = 18, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2024-11-08 23:13:57,331 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:13:57,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:13:57,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:13:57,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:13:57,344 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:57" (1/1) ... [2024-11-08 23:13:57,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:57" (1/1) ... [2024-11-08 23:13:57,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:57" (1/1) ... [2024-11-08 23:13:57,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:57" (1/1) ... [2024-11-08 23:13:57,371 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:57" (1/1) ... [2024-11-08 23:13:57,375 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:57" (1/1) ... [2024-11-08 23:13:57,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:57" (1/1) ... [2024-11-08 23:13:57,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:57" (1/1) ... [2024-11-08 23:13:57,387 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:13:57,390 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:13:57,390 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:13:57,390 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:13:57,391 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:13:57" (1/1) ... [2024-11-08 23:13:57,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:13:57,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:13:57,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:13:57,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:13:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:13:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:13:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 23:13:57,463 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 23:13:57,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:13:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:13:57,464 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:13:57,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:13:57,561 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:13:57,564 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:14:08,668 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 23:14:08,668 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:14:08,869 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:14:08,869 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:14:08,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:08 BoogieIcfgContainer [2024-11-08 23:14:08,870 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:14:08,871 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:14:08,871 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:14:08,887 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:14:08,887 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:14:08" (1/1) ... [2024-11-08 23:14:08,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:14:08,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:08,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-08 23:14:08,956 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-08 23:14:08,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:14:08,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:08,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:08,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:08,977 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:08,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:14:14,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:14,193 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:15,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:14:15,494 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:16,096 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:14:16,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:14:16,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:14:16,768 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:14:16,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:14:16,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:16,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:16,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:16,775 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:16,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:14:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:21,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:22,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:14:22,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:22,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:14:23,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 23:14:23,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:14:23,055 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:14:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:14:23,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:23,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:23,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:23,060 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:23,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:14:28,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:28,169 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:29,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:29,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:14:29,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:29,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:14:29,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:14:29,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:14:29,676 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:14:29,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:14:29,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:29,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:29,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:29,681 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:29,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:14:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:35,070 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:35,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:36,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:14:36,218 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:36,519 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:14:36,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:36,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:36,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:14:36,572 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:14:36,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:14:36,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:36,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:36,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:36,576 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:36,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:14:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:41,684 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:42,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:42,691 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:14:42,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:42,964 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:14:43,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-08 23:14:43,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:43,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:14:43,031 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:14:43,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:14:43,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:43,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:43,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:43,035 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:43,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 23:14:48,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:48,137 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:49,284 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:14:49,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:49,530 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:14:49,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:49,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:49,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:14:49,583 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:14:49,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:14:49,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:49,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:49,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:49,586 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:49,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:14:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:54,835 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:14:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:14:55,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:14:55,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:14:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:14:56,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 23:14:56,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:14:56,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:14:56,221 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:14:56,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:14:56,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:14:56,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:14:56,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:14:56,227 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:14:56,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:15:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:01,414 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:02,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:15:02,572 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:15:02,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:02,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:02,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:15:02,906 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:15:02,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:15:02,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:02,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:02,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:02,910 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:02,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:15:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:07,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:09,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:15:09,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:09,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:15:09,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:09,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:09,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:15:09,349 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:15:09,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:15:09,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:09,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:09,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:09,354 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:09,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:15:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:14,406 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:15,675 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:15:15,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:15,935 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:15:15,981 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:15,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:15,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:15:15,989 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:15:15,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:15:15,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:15,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:15,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:15,996 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:16,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:15:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:21,144 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:22,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:15:22,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:15:22,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:22,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:22,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:15:22,443 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:15:22,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:15:22,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:22,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:22,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:22,447 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:22,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:15:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:27,203 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:28,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:15:28,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:28,437 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:15:28,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:28,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:28,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:15:28,482 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:15:28,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:15:28,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:28,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:28,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:28,486 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:28,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:15:33,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:33,204 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:34,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:34,279 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:15:34,280 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:15:34,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 23:15:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:34,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:15:34,561 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:15:34,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:15:34,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:34,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:34,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:34,564 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:34,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:15:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:39,226 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:40,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:15:40,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:40,506 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:15:40,548 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:40,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:40,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:15:40,552 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:15:40,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:15:40,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:40,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:40,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:40,556 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:40,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-08 23:15:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:45,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:46,286 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:15:46,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:46,539 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:15:46,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:46,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:15:46,584 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:15:46,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:15:46,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:46,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:46,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:46,587 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:46,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-08 23:15:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:51,190 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:52,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:15:52,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:52,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:15:52,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-08 23:15:52,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:52,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:15:52,490 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:15:52,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:15:52,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:52,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:52,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:52,494 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:52,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-08 23:15:57,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:57,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:15:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:15:57,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:15:57,954 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:15:58,259 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:15:58,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-08 23:15:58,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:15:58,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:15:58,303 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:15:58,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:15:58,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:15:58,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:15:58,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:15:58,307 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:15:58,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-08 23:16:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:03,242 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:03,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:04,186 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:16:04,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:04,430 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:16:04,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-08 23:16:04,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:04,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:16:04,470 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:16:04,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:16:04,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:04,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:04,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:04,477 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:04,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-08 23:16:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:09,624 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:10,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:16:10,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:10,936 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:16:10,982 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (20)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:10,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:10,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:16:10,986 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:16:10,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:16:10,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:10,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:10,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:10,990 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:10,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-08 23:16:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:15,719 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:16,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:16,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:16:16,768 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:17,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:16:17,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-08 23:16:17,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:16:17,094 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:16:17,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:16:17,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:17,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:17,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:17,099 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:17,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-08 23:16:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:21,802 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:22,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:16:22,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:23,093 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:16:23,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:23,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:23,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:16:23,139 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:16:23,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:16:23,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:23,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:23,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:23,142 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:23,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-08 23:16:27,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:27,815 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:28,825 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:16:28,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:29,080 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:16:29,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:29,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:29,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:16:29,126 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:16:29,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:16:29,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:29,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:29,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:29,130 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:29,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-08 23:16:33,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:33,912 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:34,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:16:34,918 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:16:35,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:35,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:35,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:16:35,219 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:16:35,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:16:35,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:35,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:35,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:35,221 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:35,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-08 23:16:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:40,104 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:41,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:16:41,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:41,521 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:16:41,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-08 23:16:41,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:16:41,615 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:16:41,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:16:41,619 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:41,619 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:41,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:41,629 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:41,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-08 23:16:47,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:47,779 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:48,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:16:48,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:49,124 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:16:49,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-08 23:16:49,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:49,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:16:49,168 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:16:49,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:16:49,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:49,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:49,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:49,171 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:49,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-08 23:16:54,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:54,749 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:16:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:16:55,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:16:55,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:16:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:16:56,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-08 23:16:56,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:16:56,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:16:56,292 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:16:56,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:16:56,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:16:56,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:16:56,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:16:56,295 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:16:56,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-08 23:17:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:02,168 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:03,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:03,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:17:03,501 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:03,780 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:17:03,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-08 23:17:03,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:03,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:17:03,835 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:17:03,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:17:03,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:03,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:03,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:03,837 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:03,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-08 23:17:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:09,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:10,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:17:10,844 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:11,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:17:11,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (29)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:11,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:11,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:17:11,220 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:17:11,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:17:11,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:11,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:11,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:11,225 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:11,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-08 23:17:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:17,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:18,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:17:18,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:18,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:17:18,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:18,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:18,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:17:18,581 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:17:18,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:17:18,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:18,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:18,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:18,586 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:18,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-08 23:17:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:24,466 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:25,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:17:25,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:25,916 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:17:25,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:25,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:25,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:17:25,969 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:17:25,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:17:25,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:25,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:25,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:25,975 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:25,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-08 23:17:31,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:31,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:32,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:32,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:17:32,984 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:17:33,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:33,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:33,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:17:33,315 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:17:33,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:17:33,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:33,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:33,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:33,318 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:33,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-08 23:17:39,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:39,411 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:40,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:17:40,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:40,841 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:17:40,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:40,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:40,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:17:40,900 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:17:40,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:17:40,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:40,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:40,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:40,906 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:40,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-08 23:17:46,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:46,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:47,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:47,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:17:47,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:47,937 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:17:47,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:47,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:47,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:17:47,991 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:17:47,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:17:47,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:47,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:47,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:47,995 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:47,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-08 23:17:53,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:53,687 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:17:54,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:17:54,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:17:54,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:17:55,034 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:17:55,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-08 23:17:55,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:17:55,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:17:55,083 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:17:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:17:55,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:17:55,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:17:55,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:17:55,085 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:17:55,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-08 23:18:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:00,376 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:01,408 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:18:01,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:01,665 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:18:01,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-08 23:18:01,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:01,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:18:01,717 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:18:01,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:18:01,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:01,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:01,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:01,718 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:01,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-08 23:18:06,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:06,439 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:07,504 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:18:07,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:07,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:18:07,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-08 23:18:07,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:07,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:18:07,806 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:18:07,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:18:07,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:07,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:07,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:07,808 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:07,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-08 23:18:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:12,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:13,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:18:13,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:14,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:18:14,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:14,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:14,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:18:14,215 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:18:14,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:18:14,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:14,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:14,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:14,217 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:14,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-08 23:18:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:19,080 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:20,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:18:20,097 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:18:20,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-08 23:18:20,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:20,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:18:20,382 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:18:20,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:18:20,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:20,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:20,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:20,386 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:20,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-08 23:18:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:25,343 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:26,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:18:26,392 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:26,630 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:18:26,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (40)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:26,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:26,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:18:26,673 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:18:26,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:18:26,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:26,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:26,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:26,676 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:26,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-08 23:18:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:31,542 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:32,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:18:32,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:18:33,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:33,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:33,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:18:33,051 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:18:33,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:18:33,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:33,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:33,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:33,055 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:33,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-08 23:18:37,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:37,803 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:38,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:18:38,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:18:39,112 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (42)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:18:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:18:39,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:18:39,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:39,115 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:39,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:39,118 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:39,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-08 23:18:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:43,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:44,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:44,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:18:44,578 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:44,820 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:18:44,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-08 23:18:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:44,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:18:44,863 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:18:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:18:44,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:44,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:44,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:44,866 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:44,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-08 23:18:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:49,703 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:50,795 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:18:50,796 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:51,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:18:51,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:51,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:51,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:18:51,091 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:18:51,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:18:51,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:51,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:51,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:51,095 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:51,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-08 23:18:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:55,998 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:18:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:18:57,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:18:57,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:18:57,301 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:18:57,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-08 23:18:57,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:18:57,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:18:57,343 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:18:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:18:57,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:18:57,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:18:57,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:18:57,347 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:18:57,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-08 23:19:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:02,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:03,249 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:19:03,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:03,504 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:19:03,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (46)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:03,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:03,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:19:03,564 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:19:03,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:19:03,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:03,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:03,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:03,568 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:03,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-08 23:19:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:08,588 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:09,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:19:09,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:09,934 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:19:09,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-08 23:19:09,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:09,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:19:09,978 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:19:09,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:19:09,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:09,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:09,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:09,982 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:09,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-08 23:19:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:14,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:15,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:15,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:19:15,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:16,192 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:19:16,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-08 23:19:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:16,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:19:16,236 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:19:16,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:19:16,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:16,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:16,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:16,240 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:16,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-08 23:19:21,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:21,156 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:22,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:19:22,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:19:22,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-08 23:19:22,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:22,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:19:22,435 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:19:22,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:19:22,435 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:22,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:22,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:22,438 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:22,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-08 23:19:28,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:28,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:29,461 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:19:29,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:29,715 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:19:29,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:29,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:29,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:19:29,760 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:19:29,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:19:29,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:29,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:29,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:29,762 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:29,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-08 23:19:34,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:34,538 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:35,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:19:35,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:19:35,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:35,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:35,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:19:35,840 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:19:35,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:19:35,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:35,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:35,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:35,842 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:35,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-08 23:19:41,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:41,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:42,216 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:19:42,217 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:42,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:19:42,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:42,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:42,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:19:42,510 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:19:42,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:19:42,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:42,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:42,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:42,513 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:42,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-08 23:19:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:47,896 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:49,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:19:49,010 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:49,266 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:19:49,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-08 23:19:49,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:49,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:19:49,318 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:19:49,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:19:49,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:49,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:49,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:49,323 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:49,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-08 23:19:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:54,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:19:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:19:55,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:19:55,709 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:19:55,971 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:19:56,015 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-08 23:19:56,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:19:56,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:19:56,017 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:19:56,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:19:56,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:19:56,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:19:56,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:19:56,019 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:19:56,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-08 23:20:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:01,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:02,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:20:02,168 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:02,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:20:02,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-08 23:20:02,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:02,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:20:02,480 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:20:02,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:20:02,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:02,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:02,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:02,482 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:02,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-08 23:20:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:07,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:08,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:20:08,686 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:08,938 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:20:08,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:08,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:08,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:20:08,989 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:20:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:20:08,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:08,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:08,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:08,993 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:08,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-08 23:20:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:14,497 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:15,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:15,648 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:20:15,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:15,917 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:20:15,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:15,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:15,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:20:15,967 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:20:15,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:20:15,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:15,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:15,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:15,970 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:15,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-08 23:20:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:21,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:22,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:20:22,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:20:23,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-08 23:20:23,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:23,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:20:23,083 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:20:23,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:20:23,083 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:23,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:23,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:23,085 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:23,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-08 23:20:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:28,087 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:29,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:29,451 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:20:29,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:20:29,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:29,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:29,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:20:29,818 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:20:29,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:20:29,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:29,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:29,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:29,822 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:29,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-08 23:20:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:34,765 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:35,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:35,815 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:20:35,816 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:36,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:20:36,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:36,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:36,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:20:36,134 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:20:36,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:20:36,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:36,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:36,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:36,138 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:36,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-08 23:20:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:41,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:42,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:42,464 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:20:42,465 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:42,820 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:20:42,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (61)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:42,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:42,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:20:42,870 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:20:42,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:20:42,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:42,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:42,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:42,873 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:42,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-08 23:20:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:48,130 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:49,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:20:49,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:49,374 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:20:49,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-08 23:20:49,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:49,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:20:49,418 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:20:49,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:20:49,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:49,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:49,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:49,421 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:49,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-08 23:20:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:54,194 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:20:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:20:55,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:20:55,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:20:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:20:55,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-08 23:20:55,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:20:55,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:20:55,480 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:20:55,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:20:55,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:20:55,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:20:55,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:20:55,483 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:20:55,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-08 23:21:00,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:00,039 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:01,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:21:01,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:21:01,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (64)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:01,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:01,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:21:01,310 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:21:01,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:21:01,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:01,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:01,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:01,312 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:01,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-08 23:21:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:05,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:06,961 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:21:06,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:07,208 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:21:07,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-08 23:21:07,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:07,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:21:07,252 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:21:07,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:21:07,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:07,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:07,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:07,254 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:07,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-08 23:21:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:11,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:12,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:21:12,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:13,235 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:21:13,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:13,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:13,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:21:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:21:13,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:21:13,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:13,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:13,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:13,279 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:13,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-08 23:21:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:17,800 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:18,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:18,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:21:18,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:19,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:21:19,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-08 23:21:19,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:21:19,183 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:21:19,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:21:19,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:19,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:19,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:19,187 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:19,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-08 23:21:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:24,093 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:25,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:21:25,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:25,398 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:21:25,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-08 23:21:25,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:25,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:21:25,442 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:21:25,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:21:25,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:25,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:25,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:25,444 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:25,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-08 23:21:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:30,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:31,681 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:21:31,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:31,934 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:21:31,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:31,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:31,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:21:31,981 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:21:31,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:21:31,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:31,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:31,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:31,984 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:31,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-08 23:21:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:36,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:37,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:21:37,677 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:37,922 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:21:37,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:37,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:37,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:21:37,969 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:21:37,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:21:37,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:37,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:37,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:37,971 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:37,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-08 23:21:42,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:42,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:43,739 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:21:43,740 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:21:44,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (71)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:44,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:21:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:21:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:21:44,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:44,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:44,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:44,050 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:44,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-08 23:21:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:48,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:49,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:21:49,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:49,822 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:21:49,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-08 23:21:49,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:49,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:21:49,872 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:21:49,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:21:49,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:49,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:49,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:49,875 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:49,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-08 23:21:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:54,852 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:21:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:21:55,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:21:55,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:21:56,217 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:21:56,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-08 23:21:56,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:21:56,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:21:56,265 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:21:56,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:21:56,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:21:56,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:21:56,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:21:56,268 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:21:56,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-08 23:22:01,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:01,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:02,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:02,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:22:02,356 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:02,649 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:22:02,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:02,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:02,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:22:02,714 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:22:02,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:22:02,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:02,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:02,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:02,721 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:02,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-08 23:22:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:07,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:08,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:22:08,953 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:09,206 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:22:09,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:09,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:09,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:22:09,254 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:22:09,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:22:09,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:09,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:09,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:09,258 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:09,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-08 23:22:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:14,599 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:15,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:15,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:22:15,693 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:15,952 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:22:15,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (76)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:16,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:22:16,002 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:22:16,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:22:16,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:16,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:16,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:16,006 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:16,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-08 23:22:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:21,106 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:22,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:22:22,224 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:22:22,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-08 23:22:22,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:22,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:22:22,539 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:22:22,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:22:22,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:22,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:22,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:22,544 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:22,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-08 23:22:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:27,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:28,905 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:22:28,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:29,165 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:22:29,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:29,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:29,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:22:29,211 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:22:29,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:22:29,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:29,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:29,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:29,213 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:29,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-08 23:22:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:34,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:35,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:22:35,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:35,896 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:22:35,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:35,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:22:35,945 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:22:35,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:22:35,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:35,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:35,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:35,947 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:35,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-08 23:22:40,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:40,813 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:41,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:41,872 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:22:41,873 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:42,120 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:22:42,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-08 23:22:42,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:42,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:22:42,169 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:22:42,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:22:42,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:42,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:42,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:42,172 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:42,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-08 23:22:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:47,006 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:47,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:48,050 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:22:48,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:48,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:22:48,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-08 23:22:48,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:48,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:22:48,431 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:22:48,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:22:48,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:48,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:48,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:48,434 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:48,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-08 23:22:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:53,204 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:54,191 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:22:54,192 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:22:54,425 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:22:54,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (82)] Forceful destruction successful, exit code 0 [2024-11-08 23:22:54,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:22:54,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:22:54,474 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:22:54,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:22:54,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:22:54,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:22:54,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:22:54,476 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:22:54,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-08 23:22:59,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:22:59,057 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:22:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:00,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:23:00,022 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:00,272 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:23:00,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-08 23:23:00,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:00,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:23:00,316 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:23:00,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:23:00,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:00,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:00,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:00,320 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:00,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-08 23:23:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:05,435 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:06,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:06,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:23:06,537 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:23:06,830 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (84)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:06,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:06,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:23:06,834 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:23:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:23:06,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:06,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:06,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:06,837 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:06,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-08 23:23:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:11,767 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:12,973 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:23:12,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:23:13,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-08 23:23:13,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:13,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:23:13,286 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:23:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:23:13,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:13,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:13,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:13,289 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:13,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-08 23:23:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:17,798 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:18,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:23:18,774 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:19,015 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:23:19,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:19,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:19,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:23:19,060 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:23:19,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:23:19,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:19,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:19,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:19,061 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:19,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-08 23:23:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:23,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:24,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:23:24,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:25,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:23:25,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (87)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:25,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:25,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:23:25,077 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:23:25,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:23:25,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:25,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:25,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:25,080 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:25,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-08 23:23:29,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:29,954 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:30,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:23:30,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:23:31,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-08 23:23:31,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:31,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:23:31,257 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:23:31,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:23:31,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:31,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:31,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:31,259 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:31,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-08 23:23:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:35,865 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:36,880 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:23:36,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:23:37,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:37,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:37,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:23:37,173 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:23:37,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:23:37,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:37,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:37,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:37,176 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:37,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-08 23:23:41,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:41,825 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:42,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:42,741 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:23:42,742 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:42,968 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:23:43,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-08 23:23:43,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:43,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:23:43,010 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:23:43,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:23:43,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:43,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:43,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:43,012 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:43,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-08 23:23:47,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:47,948 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:49,041 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:23:49,042 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:49,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:23:49,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (91)] Forceful destruction successful, exit code 0 [2024-11-08 23:23:49,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:49,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:23:49,335 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:23:49,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:23:49,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:49,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:49,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:49,336 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:49,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-08 23:23:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:53,963 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:23:54,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:54,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:23:54,957 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:23:55,235 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:23:55,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-08 23:23:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:23:55,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:23:55,281 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:23:55,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:23:55,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:23:55,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:23:55,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:23:55,284 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:23:55,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-08 23:23:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:23:59,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:00,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:00,819 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:00,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:01,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:24:01,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-08 23:24:01,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:01,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:24:01,205 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:24:01,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:24:01,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:01,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:01,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:01,209 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:01,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-08 23:24:05,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:05,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:06,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:06,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:07,017 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:24:07,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-08 23:24:07,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:07,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:24:07,061 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:24:07,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:24:07,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:07,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:07,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:07,062 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:07,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-08 23:24:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:11,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:12,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:12,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:12,506 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:24:12,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:12,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:12,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:24:12,784 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:24:12,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:24:12,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:12,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:12,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:12,787 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:12,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-08 23:24:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:17,238 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:17,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:18,175 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:18,175 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:18,422 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:24:18,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:18,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:18,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:24:18,462 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:24:18,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:24:18,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:18,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:18,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:18,463 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:18,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-08 23:24:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:23,125 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:24,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:24,334 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:24,579 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:24:24,620 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:24,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:24,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:24:24,622 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:24:24,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:24:24,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:24,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:24,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:24,623 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:24,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-08 23:24:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:29,231 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:29,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:30,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:30,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:30,459 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:24:30,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-08 23:24:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:24:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:24:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:24:30,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:30,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:30,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:30,504 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:30,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-08 23:24:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:35,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:36,730 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:36,731 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:36,969 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:24:37,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-08 23:24:37,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:37,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:24:37,011 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:24:37,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:24:37,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:37,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:37,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:37,012 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:37,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-08 23:24:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:42,115 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:43,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:43,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:43,567 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:24:43,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-08 23:24:43,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:24:43,611 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:24:43,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:24:43,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:43,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:43,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:43,614 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:43,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-08 23:24:48,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:48,216 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:49,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:49,278 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:49,279 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:49,513 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:24:49,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-08 23:24:49,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:49,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:24:49,556 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:24:49,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:24:49,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:49,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:49,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:49,559 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:49,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-08 23:24:54,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:54,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:24:55,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:24:55,310 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:24:55,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:24:55,559 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:24:55,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-08 23:24:55,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:24:55,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:24:55,600 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:24:55,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:24:55,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:24:55,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:24:55,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:24:55,603 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:24:55,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-08 23:25:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:00,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:01,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:25:01,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:01,659 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:01,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-08 23:25:01,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:25:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:25:01,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:25:01,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:01,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:01,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:01,703 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:01,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-08 23:25:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:06,319 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:07,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:25:07,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:07,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2024-11-08 23:25:07,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:07,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:25:07,614 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:25:07,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:25:07,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:07,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:07,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:07,616 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:07,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-08 23:25:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:12,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:13,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:25:13,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:13,461 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:13,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-08 23:25:13,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:13,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:25:13,504 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:25:13,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:25:13,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:13,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:13,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:13,507 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:13,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-08 23:25:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:18,391 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:19,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:25:19,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:19,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-08 23:25:19,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:19,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:25:19,689 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:25:19,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:25:19,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:19,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:19,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:19,692 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:19,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-08 23:25:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:24,854 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:25,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:25:25,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:26,072 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:26,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-08 23:25:26,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:26,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:25:26,115 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:25:26,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:25:26,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:26,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:26,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:26,119 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:26,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-08 23:25:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:30,890 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:31,919 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:25:31,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:32,148 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:32,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-08 23:25:32,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:32,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:25:32,183 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:25:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:25:32,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:32,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:32,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:32,184 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:32,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-08 23:25:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:36,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:37,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:37,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:25:37,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:38,002 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:38,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-08 23:25:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:38,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:25:38,046 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:25:38,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:25:38,046 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:38,046 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:38,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:38,049 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:38,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-08 23:25:43,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:43,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:44,080 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:25:44,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:44,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:44,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-08 23:25:44,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:44,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:25:44,352 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:25:44,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:25:44,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:44,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:44,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:44,354 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:44,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-08 23:25:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:49,553 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:50,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:50,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:25:50,542 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:50,775 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:50,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-08 23:25:50,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:50,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:25:50,816 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:25:50,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:25:50,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:50,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:50,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:50,819 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:50,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-08 23:25:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:55,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:25:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:25:56,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:25:56,435 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:25:56,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:25:56,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-11-08 23:25:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:25:56,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:25:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:25:56,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:25:56,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:25:56,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:25:56,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:25:56,734 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:25:56,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-08 23:26:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:01,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:02,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:26:02,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:02,935 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:26:02,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-08 23:26:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:02,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:26:02,971 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:26:02,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:26:02,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:02,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:02,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:02,973 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:02,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-08 23:26:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:07,782 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:08,835 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:26:08,836 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:09,066 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:26:09,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-08 23:26:09,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:09,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:26:09,107 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:26:09,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:26:09,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:09,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:09,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:09,109 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:09,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-08 23:26:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:13,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:15,078 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:26:15,078 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:15,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:26:15,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-08 23:26:15,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:15,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:26:15,352 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:26:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:26:15,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:15,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:15,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:15,354 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:15,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-08 23:26:19,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:19,953 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:20,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:26:20,981 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:21,203 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:26:21,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-08 23:26:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:21,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:26:21,242 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:26:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:26:21,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:21,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:21,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:21,243 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:21,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-08 23:26:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:25,938 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:26,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:26:26,943 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:27,181 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:26:27,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-08 23:26:27,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:27,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:26:27,219 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:26:27,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:26:27,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:27,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:27,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:27,220 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:27,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-08 23:26:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:31,827 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:32,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:26:32,914 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:33,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:26:33,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2024-11-08 23:26:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:26:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:26:33,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:26:33,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:33,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:33,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:33,196 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:33,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-08 23:26:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:37,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:38,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:38,603 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:26:38,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:38,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:26:38,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-11-08 23:26:38,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:38,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:26:38,881 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:26:38,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:26:38,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:38,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:38,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:38,883 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:38,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-08 23:26:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:43,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:45,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:26:45,103 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:45,334 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:26:45,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-08 23:26:45,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:45,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:26:45,374 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:26:45,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:26:45,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:45,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:45,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:45,375 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:45,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-08 23:26:50,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:50,293 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:51,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:26:51,453 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:51,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:26:51,733 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-08 23:26:51,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:51,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:26:51,735 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:26:51,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:26:51,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:51,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:51,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:51,737 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:51,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-08 23:26:56,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:56,423 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:26:57,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:26:57,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:26:57,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:26:57,744 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:26:57,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-08 23:26:57,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:26:57,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:26:57,781 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:26:57,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:26:57,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:26:57,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:26:57,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:26:57,783 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:26:57,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-08 23:27:02,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:02,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:03,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:27:03,564 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:27:03,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2024-11-08 23:27:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:03,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:27:03,837 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:27:03,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:27:03,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:03,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:03,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:03,839 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:03,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-08 23:27:08,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:08,615 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:09,644 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:27:09,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:09,878 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:27:09,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-08 23:27:09,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:09,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:27:09,916 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:27:09,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:27:09,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:09,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:09,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:09,917 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:09,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-08 23:27:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:14,505 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:15,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:27:15,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:27:15,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-08 23:27:15,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:15,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:27:15,752 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:27:15,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:27:15,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:15,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:15,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:15,753 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:15,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-08 23:27:20,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:20,275 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:21,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:27:21,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:21,435 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:27:21,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-08 23:27:21,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:21,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:27:21,472 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:27:21,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:27:21,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:21,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:21,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:21,473 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:21,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-08 23:27:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:26,704 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:27,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:27:27,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:27,959 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:27:27,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-08 23:27:27,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:27:27,996 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:27:27,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:27:27,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:27,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:27,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:27,998 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:27,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-08 23:27:33,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:33,166 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:34,235 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:27:34,236 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:34,477 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:27:34,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-08 23:27:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:27:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:27:34,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:27:34,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:34,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:34,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:34,521 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:34,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-08 23:27:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:39,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:40,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:40,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:27:40,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:27:40,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-11-08 23:27:40,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:40,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:27:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:27:40,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:27:40,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:40,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:40,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:40,730 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:40,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-08 23:27:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:45,317 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:46,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:27:46,366 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:46,592 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:27:46,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-08 23:27:46,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:46,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:27:46,631 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:27:46,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:27:46,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:46,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:46,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:46,633 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:46,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-08 23:27:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:51,378 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:52,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:52,364 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:27:52,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:27:52,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-08 23:27:52,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:27:52,676 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:27:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:27:52,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:52,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:52,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:52,681 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:52,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-08 23:27:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:57,353 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:27:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:27:58,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:27:58,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:27:58,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:27:58,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2024-11-08 23:27:58,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:27:58,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:27:58,594 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:27:58,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:27:58,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:27:58,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:27:58,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:27:58,595 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:27:58,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-08 23:28:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:03,220 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:04,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:28:04,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:28:04,409 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (133)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:04,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:04,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:28:04,410 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:28:04,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:28:04,410 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:04,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:04,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:04,412 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:04,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-08 23:28:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:08,902 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:09,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:09,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:28:09,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:10,151 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:28:10,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (134)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:10,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:10,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:28:10,192 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:28:10,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:28:10,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:10,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:10,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:10,194 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:10,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-08 23:28:14,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:14,889 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:15,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:15,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:28:15,828 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:16,060 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:28:16,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-08 23:28:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:16,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:28:16,100 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:28:16,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:28:16,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:16,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:16,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:16,101 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:16,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-08 23:28:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:20,491 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:21,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:28:21,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:21,674 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:28:21,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (136)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:21,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:21,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:28:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:28:21,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:28:21,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:21,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:21,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:21,714 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:21,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-08 23:28:26,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:26,176 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:27,122 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:28:27,123 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:27,367 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:28:27,403 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:27,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:27,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:28:27,405 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:28:27,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:28:27,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:27,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:27,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:27,412 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:27,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-08 23:28:31,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:31,831 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:32,900 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:28:32,901 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:33,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:28:33,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (138)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:33,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:33,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:28:33,188 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:28:33,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:28:33,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:33,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:33,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:33,191 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:33,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-08 23:28:37,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:37,566 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:38,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:38,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:28:38,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:38,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:28:38,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-08 23:28:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:38,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:28:38,888 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:28:38,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:28:38,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:38,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:38,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:38,890 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:38,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-08 23:28:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:43,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:44,375 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:28:44,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:28:44,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:44,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:44,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:28:44,647 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:28:44,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:28:44,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:44,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:44,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:44,648 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:44,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-08 23:28:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:48,993 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:49,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:28:49,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:50,193 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:28:50,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-08 23:28:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:28:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:28:50,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:28:50,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:50,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:50,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:50,237 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:50,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-08 23:28:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:54,706 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:28:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:28:55,646 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:28:55,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:28:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:28:55,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (142)] Forceful destruction successful, exit code 0 [2024-11-08 23:28:55,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:28:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:28:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:28:55,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:28:55,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:28:55,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:28:55,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:28:55,938 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:28:55,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-08 23:29:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:00,304 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:29:00,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:01,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:29:01,238 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:29:01,463 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:29:01,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (143)] Forceful destruction successful, exit code 0 [2024-11-08 23:29:01,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:01,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:29:01,497 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:29:01,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:29:01,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:01,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:01,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:29:01,499 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:29:01,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-08 23:29:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:05,974 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:29:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:06,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:29:06,930 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:29:07,167 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-08 23:29:07,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-08 23:29:07,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:29:07,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2024-11-08 23:29:07,207 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2024-11-08 23:29:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:29:07,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:29:07,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:29:07,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:29:07,208 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:29:07,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_40ecda6b-718e-4b1e-b792-9449d4612c51/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-08 23:29:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:29:11,585 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported