./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_0_safe.c-amalgamation.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9 --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 01feab1cda213fc4156f4b764527f557d8841897d1cf58d754d865817dde8691 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:38:40,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:38:40,419 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 04:38:40,423 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:38:40,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:38:40,443 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:38:40,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:38:40,444 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:38:40,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:38:40,446 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:38:40,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:38:40,447 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:38:40,447 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:38:40,448 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:38:40,448 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:38:40,449 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:38:40,449 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:38:40,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:38:40,450 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:38:40,451 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:38:40,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:38:40,452 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:38:40,453 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:38:40,453 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:38:40,454 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:38:40,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:38:40,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:38:40,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:38:40,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:38:40,456 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:38:40,457 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:38:40,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:38:40,457 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:38:40,457 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_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01feab1cda213fc4156f4b764527f557d8841897d1cf58d754d865817dde8691 [2023-12-03 04:38:40,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:38:40,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:38:40,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:38:40,678 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:38:40,678 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:38:40,679 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_0_safe.c-amalgamation.i [2023-12-03 04:38:43,433 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:38:43,787 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:38:43,788 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_0_safe.c-amalgamation.i [2023-12-03 04:38:43,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/data/aa8f2a8fb/ffd0dfb239ef4d77a383bbb7bfd3f506/FLAGcd78f8605 [2023-12-03 04:38:43,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/data/aa8f2a8fb/ffd0dfb239ef4d77a383bbb7bfd3f506 [2023-12-03 04:38:43,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:38:43,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:38:43,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:38:43,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:38:43,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:38:43,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:38:43" (1/1) ... [2023-12-03 04:38:43,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38f66c5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:43, skipping insertion in model container [2023-12-03 04:38:43,840 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:38:43" (1/1) ... [2023-12-03 04:38:43,905 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:38:44,699 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: fabs at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1414) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:251) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.translateInitializer(CHandler.java:3086) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleIASTDeclarator(CHandler.java:2927) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:142) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1156) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147) 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) [2023-12-03 04:38:44,704 INFO L158 Benchmark]: Toolchain (without parser) took 871.23ms. Allocated memory is still 169.9MB. Free memory was 134.8MB in the beginning and 114.4MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 04:38:44,704 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:38:44,705 INFO L158 Benchmark]: CACSL2BoogieTranslator took 869.06ms. Allocated memory is still 169.9MB. Free memory was 134.8MB in the beginning and 114.4MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-03 04:38:44,706 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 57.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 869.06ms. Allocated memory is still 169.9MB. Free memory was 134.8MB in the beginning and 114.4MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. 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: fabs de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: fabs: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610) 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_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_0_safe.c-amalgamation.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9 --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 01feab1cda213fc4156f4b764527f557d8841897d1cf58d754d865817dde8691 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:38:46,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:38:46,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 04:38:46,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:38:46,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:38:46,556 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:38:46,557 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:38:46,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:38:46,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:38:46,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:38:46,559 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 04:38:46,560 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 04:38:46,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:38:46,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:38:46,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:38:46,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:38:46,562 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:38:46,563 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:38:46,563 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:38:46,564 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 04:38:46,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:38:46,565 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:38:46,565 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:38:46,566 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:38:46,566 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:38:46,567 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:46,567 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:38:46,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:38:46,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:38:46,568 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:38:46,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:38:46,569 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:38:46,569 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:38:46,570 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:38:46,570 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:38:46,570 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:38:46,570 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:38:46,571 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01feab1cda213fc4156f4b764527f557d8841897d1cf58d754d865817dde8691 [2023-12-03 04:38:46,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:38:46,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:38:46,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:38:46,880 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:38:46,880 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:38:46,882 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_0_safe.c-amalgamation.i [2023-12-03 04:38:49,652 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:38:50,000 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:38:50,001 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_0_safe.c-amalgamation.i [2023-12-03 04:38:50,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/data/230d497f7/df50162ffd404518a56533e0bc39931e/FLAG7eab17318 [2023-12-03 04:38:50,044 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/data/230d497f7/df50162ffd404518a56533e0bc39931e [2023-12-03 04:38:50,046 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:38:50,048 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:38:50,049 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:38:50,050 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:38:50,055 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:38:50,055 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:38:50" (1/1) ... [2023-12-03 04:38:50,057 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52a1b157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:50, skipping insertion in model container [2023-12-03 04:38:50,057 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:38:50" (1/1) ... [2023-12-03 04:38:50,122 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:38:50,957 WARN L240 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_0e22447a-bc9e-4d12-8461-6047ebcc471c/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_0_safe.c-amalgamation.i[71467,71480] [2023-12-03 04:38:51,193 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:38:51,210 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-03 04:38:51,228 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:38:51,255 WARN L240 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_0e22447a-bc9e-4d12-8461-6047ebcc471c/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_0_safe.c-amalgamation.i[71467,71480] [2023-12-03 04:38:51,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:38:51,339 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:38:51,393 WARN L240 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_0e22447a-bc9e-4d12-8461-6047ebcc471c/sv-benchmarks/c/neural-networks/poly_8_8_8_thresh_0_safe.c-amalgamation.i[71467,71480] [2023-12-03 04:38:51,459 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:38:51,652 WARN L675 CHandler]: The function fopen is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:38:51,652 WARN L675 CHandler]: The function fclose is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:38:51,652 WARN L675 CHandler]: The function feof is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:38:51,653 WARN L675 CHandler]: The function activation is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:38:51,661 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:38:51,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:51 WrapperNode [2023-12-03 04:38:51,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:38:51,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:38:51,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:38:51,663 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:38:51,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:51" (1/1) ... [2023-12-03 04:38:51,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:51" (1/1) ... [2023-12-03 04:38:51,802 INFO L138 Inliner]: procedures = 779, calls = 642, calls flagged for inlining = 16, calls inlined = 16, statements flattened = 1226 [2023-12-03 04:38:51,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:38:51,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:38:51,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:38:51,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:38:51,813 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:51" (1/1) ... [2023-12-03 04:38:51,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:51" (1/1) ... [2023-12-03 04:38:51,830 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:51" (1/1) ... [2023-12-03 04:38:51,830 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:51" (1/1) ... [2023-12-03 04:38:51,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:51" (1/1) ... [2023-12-03 04:38:51,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:51" (1/1) ... [2023-12-03 04:38:51,919 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:51" (1/1) ... [2023-12-03 04:38:51,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:51" (1/1) ... [2023-12-03 04:38:51,940 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:38:51,941 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:38:51,941 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:38:51,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:38:51,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:38:51" (1/1) ... [2023-12-03 04:38:51,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:38:51,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:38:51,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:38:51,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:38:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 04:38:52,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2023-12-03 04:38:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:38:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-03 04:38:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:38:52,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:38:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2023-12-03 04:38:52,010 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2023-12-03 04:38:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:38:52,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-03 04:38:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_idx2sub [2023-12-03 04:38:52,011 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_idx2sub [2023-12-03 04:38:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 04:38:52,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_ULONG~TO~VOID [2023-12-03 04:38:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:38:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:38:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-03 04:38:52,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-03 04:38:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 04:38:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_dense [2023-12-03 04:38:52,012 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_dense [2023-12-03 04:38:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 04:38:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 04:38:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-12-03 04:38:52,012 INFO L130 BoogieDeclarations]: Found specification of procedure k2c_sub2idx [2023-12-03 04:38:52,012 INFO L138 BoogieDeclarations]: Found implementation of procedure k2c_sub2idx [2023-12-03 04:38:52,233 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:38:52,236 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:39:48,282 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:39:49,155 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:39:49,155 INFO L309 CfgBuilder]: Removed 44 assume(true) statements. [2023-12-03 04:39:49,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:39:49 BoogieIcfgContainer [2023-12-03 04:39:49,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:39:49,157 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:39:49,158 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:39:49,167 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:39:49,168 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:39:49" (1/1) ... [2023-12-03 04:39:49,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:39:49,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:39:49,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 103 states and 169 transitions. [2023-12-03 04:39:49,252 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 169 transitions. [2023-12-03 04:39:49,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-12-03 04:39:49,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:39:49,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:39:49,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:39:49,263 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:39:49,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:39:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:54,021 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:39:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:39:55,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 2222 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:39:55,906 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:39:56,471 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2023-12-03 04:39:56,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:40:06,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:40:10,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:40:13,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:40:13,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:13,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 120 states and 213 transitions. [2023-12-03 04:40:13,737 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 213 transitions. [2023-12-03 04:40:13,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-12-03 04:40:13,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:13,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:13,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:13,744 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:13,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:40:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:18,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:19,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 2224 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:40:19,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:20,150 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-03 04:40:20,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:40:21,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:21,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 127 states and 236 transitions. [2023-12-03 04:40:21,226 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 236 transitions. [2023-12-03 04:40:21,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-12-03 04:40:21,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:21,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:21,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:21,232 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:21,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 04:40:25,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:25,554 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:26,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:27,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 2234 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:40:27,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:27,456 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2023-12-03 04:40:27,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 04:40:29,698 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:40:30,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:30,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 128 states and 238 transitions. [2023-12-03 04:40:30,009 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 238 transitions. [2023-12-03 04:40:30,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-03 04:40:30,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:30,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:30,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:30,015 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:30,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 04:40:34,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:34,259 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:35,799 INFO L262 TraceCheckSpWp]: Trace formula consists of 2231 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:40:35,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:36,413 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-03 04:40:36,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 04:40:37,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:40:39,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:40:40,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:40,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 136 states and 265 transitions. [2023-12-03 04:40:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 265 transitions. [2023-12-03 04:40:40,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-12-03 04:40:40,914 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:40,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:40,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:40,916 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:40,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 04:40:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:45,247 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:46,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 2237 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:40:46,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:47,385 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2023-12-03 04:40:47,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 04:40:49,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:49,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 143 states and 292 transitions. [2023-12-03 04:40:49,009 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 292 transitions. [2023-12-03 04:40:49,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-03 04:40:49,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:49,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:49,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:49,013 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:49,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 04:40:53,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:53,445 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:40:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:40:55,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 2273 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:40:55,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:40:55,512 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-12-03 04:40:55,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-03 04:40:57,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:40:59,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:40:59,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 144 states and 293 transitions. [2023-12-03 04:40:59,311 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 293 transitions. [2023-12-03 04:40:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-12-03 04:40:59,313 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:40:59,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:40:59,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:40:59,314 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:40:59,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-03 04:41:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:03,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:05,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 2266 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:41:05,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-12-03 04:41:06,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-03 04:41:08,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:41:09,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 04:41:12,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:12,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 153 states and 326 transitions. [2023-12-03 04:41:12,936 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 326 transitions. [2023-12-03 04:41:12,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-12-03 04:41:12,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:12,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:12,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:12,940 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:12,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-03 04:41:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:17,496 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:19,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 2232 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:41:19,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:19,858 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-12-03 04:41:19,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-03 04:41:21,463 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:41:24,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:24,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 160 states and 357 transitions. [2023-12-03 04:41:24,098 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 357 transitions. [2023-12-03 04:41:24,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-12-03 04:41:24,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:24,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:24,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:24,101 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:24,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-03 04:41:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:28,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:30,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 2234 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:41:30,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:30,873 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-03 04:41:30,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-03 04:41:32,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:41:32,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 167 states and 374 transitions. [2023-12-03 04:41:32,845 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 374 transitions. [2023-12-03 04:41:32,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-03 04:41:32,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:41:32,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:41:32,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:41:32,849 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:41:32,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-03 04:41:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:37,376 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:41:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:41:38,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 2245 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:41:38,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:41:40,840 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-12-03 04:41:40,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-03 04:41:52,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-03 04:42:03,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:03,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:42:03,230 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:42:03,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:42:03,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:03,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:03,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:03,233 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:03,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-03 04:42:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:07,856 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:09,406 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:42:09,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:11,091 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:42:11,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-03 04:42:14,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:42:14,012 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:42:14,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:42:14,014 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:14,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:14,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:14,015 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:14,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-03 04:42:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:18,715 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:20,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:20,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:42:20,338 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:21,427 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:42:21,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-03 04:42:22,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:22,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:42:22,026 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:42:22,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:42:22,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:22,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:22,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:22,030 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:22,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2023-12-03 04:42:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:26,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:28,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:42:28,260 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:29,370 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:42:29,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2023-12-03 04:42:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:29,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:42:29,958 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:42:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:42:29,960 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:29,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:29,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:29,961 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:29,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2023-12-03 04:42:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:34,742 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:36,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:42:36,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:37,420 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:42:37,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2023-12-03 04:42:37,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:38,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:42:38,000 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:42:38,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:42:38,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:38,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:38,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:38,004 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:38,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-03 04:42:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:42,809 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:44,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:44,413 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:42:44,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:45,539 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:42:45,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2023-12-03 04:42:46,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:46,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:42:46,120 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:42:46,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:42:46,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:46,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:46,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:46,124 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:46,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2023-12-03 04:42:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:50,903 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:42:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:52,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:42:52,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:42:53,646 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:42:53,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2023-12-03 04:42:54,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:42:54,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:42:54,218 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:42:54,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:42:54,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:42:54,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:42:54,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:42:54,221 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:42:54,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-03 04:42:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:42:59,127 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:00,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:00,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:43:01,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2023-12-03 04:43:02,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:02,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:43:02,354 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:43:02,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:43:02,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:02,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:02,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:02,357 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:02,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2023-12-03 04:43:07,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:07,295 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:08,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:08,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:43:09,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2023-12-03 04:43:10,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:10,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:43:10,441 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:43:10,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:43:10,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:10,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:10,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:10,444 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:10,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2023-12-03 04:43:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:15,429 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:16,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:16,989 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:18,090 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:43:18,126 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2023-12-03 04:43:18,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:18,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:43:18,656 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:43:18,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:43:18,657 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:18,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:18,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:18,659 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:18,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2023-12-03 04:43:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:23,711 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:25,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:25,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:25,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:26,403 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:43:26,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2023-12-03 04:43:27,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:27,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:43:27,030 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:43:27,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:43:27,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:27,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:27,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:27,032 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:27,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-03 04:43:32,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:32,096 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:33,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:33,642 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:33,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:43:34,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-03 04:43:35,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:35,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:43:35,348 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:43:35,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:43:35,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:35,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:35,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:35,351 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:35,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2023-12-03 04:43:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:40,627 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:42,213 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:42,216 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:43,291 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:43:43,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2023-12-03 04:43:43,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:43,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:43:43,872 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:43:43,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:43:43,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:43,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:43,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:43,875 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:43,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2023-12-03 04:43:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:49,071 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:50,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:50,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:43:51,745 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:43:51,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2023-12-03 04:43:52,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:43:52,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:43:52,313 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:43:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:43:52,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:43:52,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:43:52,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:43:52,315 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:43:52,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2023-12-03 04:43:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:57,568 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:43:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:43:59,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:43:59,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:00,343 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:44:00,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2023-12-03 04:44:00,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:00,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:44:00,944 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:44:00,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:44:00,945 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:00,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:00,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:00,946 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:00,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2023-12-03 04:44:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:06,157 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:07,665 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:44:07,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:44:08,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2023-12-03 04:44:09,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:09,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:44:09,374 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:44:09,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:44:09,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:09,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:09,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:09,394 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:09,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2023-12-03 04:44:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:14,692 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:16,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:44:16,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:17,390 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:44:17,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2023-12-03 04:44:17,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:17,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:44:17,988 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:44:17,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:44:17,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:17,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:17,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:17,990 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:18,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2023-12-03 04:44:23,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:23,275 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:24,841 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:44:24,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:25,942 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:44:25,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2023-12-03 04:44:26,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:44:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:44:26,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:44:26,549 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:26,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:26,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:26,550 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:26,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2023-12-03 04:44:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:31,910 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:33,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:33,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:44:33,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:34,488 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:44:34,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2023-12-03 04:44:35,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:35,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:44:35,135 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:44:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:44:35,136 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:35,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:35,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:35,138 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:35,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2023-12-03 04:44:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:40,651 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:42,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:44:42,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:44:43,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2023-12-03 04:44:43,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:43,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:44:43,934 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:44:43,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:44:43,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:43,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:43,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:43,936 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:43,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2023-12-03 04:44:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:49,546 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:51,081 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:44:51,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:44:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:44:52,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2023-12-03 04:44:52,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:44:52,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:44:52,781 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:44:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:44:52,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:44:52,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:44:52,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:44:52,784 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:44:52,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2023-12-03 04:44:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:44:58,423 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:44:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:00,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:45:00,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:01,071 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:45:01,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2023-12-03 04:45:01,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:01,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:45:01,691 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:45:01,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:45:01,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:01,692 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:01,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:01,694 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:01,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2023-12-03 04:45:07,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:07,358 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:08,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:45:08,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:10,004 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:45:10,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2023-12-03 04:45:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:10,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:45:10,585 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:45:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:45:10,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:10,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:10,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:10,587 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:10,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2023-12-03 04:45:16,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:16,088 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:17,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:45:17,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:45:18,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2023-12-03 04:45:19,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:45:19,440 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:45:19,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:45:19,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:19,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:19,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:19,442 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:19,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2023-12-03 04:45:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:25,219 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:26,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:26,846 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:45:26,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:27,929 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:45:27,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2023-12-03 04:45:28,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:28,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:45:28,521 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:45:28,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:45:28,522 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:28,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:28,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:28,523 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:28,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2023-12-03 04:45:34,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:34,303 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:35,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:45:36,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:37,118 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:45:37,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2023-12-03 04:45:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:45:37,711 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:45:37,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:45:37,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:37,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:37,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:37,713 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:37,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2023-12-03 04:45:43,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:43,537 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:44,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:45,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:45:45,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:46,209 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:45:46,258 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2023-12-03 04:45:46,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:46,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:45:46,799 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:45:46,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:45:46,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:46,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:46,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:46,801 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:46,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2023-12-03 04:45:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:52,641 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:45:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:45:54,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:45:54,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:45:55,298 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:45:55,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2023-12-03 04:45:55,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:45:55,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:45:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:45:55,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:45:55,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:45:55,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:45:55,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:45:55,882 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:45:55,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2023-12-03 04:46:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:01,612 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:03,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:46:03,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:04,307 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:46:04,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2023-12-03 04:46:04,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:04,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:46:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:46:04,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:46:04,926 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:04,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:04,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:04,927 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:04,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2023-12-03 04:46:10,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:10,762 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:12,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:46:12,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:13,462 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:46:13,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2023-12-03 04:46:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:46:14,033 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:46:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:46:14,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:14,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:14,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:14,035 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:14,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2023-12-03 04:46:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:20,004 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:21,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:21,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:46:21,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:22,747 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:46:22,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2023-12-03 04:46:23,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:46:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:46:23,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:46:23,349 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:23,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:23,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:23,350 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:23,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2023-12-03 04:46:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:29,417 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:30,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:46:31,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:32,067 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:46:32,107 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2023-12-03 04:46:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:32,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:46:32,667 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:46:32,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:46:32,668 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:32,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:32,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:32,670 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:32,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2023-12-03 04:46:38,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:38,415 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:39,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:46:39,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:41,040 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:46:41,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (43)] Forceful destruction successful, exit code 0 [2023-12-03 04:46:41,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:41,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:46:41,645 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:46:41,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:46:41,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:41,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:41,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:41,648 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:41,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2023-12-03 04:46:47,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:47,893 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:49,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:46:49,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:46:50,585 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:46:50,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2023-12-03 04:46:51,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:46:51,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:46:51,174 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:46:51,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:46:51,175 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:46:51,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:46:51,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:46:51,176 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:46:51,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2023-12-03 04:46:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:57,576 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:46:58,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:46:59,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:46:59,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:00,230 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:47:00,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2023-12-03 04:47:00,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:00,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:47:00,825 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:47:00,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:47:00,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:00,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:00,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:00,827 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:00,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2023-12-03 04:47:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:07,292 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:08,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:08,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:47:08,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:09,972 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:47:10,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2023-12-03 04:47:10,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:10,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:47:10,563 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:47:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:47:10,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:10,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:10,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:10,565 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:10,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2023-12-03 04:47:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:16,960 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:18,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:18,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:47:18,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:47:19,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2023-12-03 04:47:20,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:20,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:47:20,299 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:47:20,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:47:20,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:20,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:20,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:20,302 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:20,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2023-12-03 04:47:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:26,721 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:28,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:28,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:47:28,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:47:29,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2023-12-03 04:47:30,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:30,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:47:30,072 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:47:30,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:47:30,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:30,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:30,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:30,074 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:30,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2023-12-03 04:47:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:36,682 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:38,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:47:38,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:39,479 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:47:39,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2023-12-03 04:47:40,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:40,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:47:40,107 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:47:40,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:47:40,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:40,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:40,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:40,110 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:40,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2023-12-03 04:47:46,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:46,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:48,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:47:48,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:47:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:47:49,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2023-12-03 04:47:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:47:50,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:47:50,509 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:47:50,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:47:50,511 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:47:50,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:47:50,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:47:50,512 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:47:50,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2023-12-03 04:47:57,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:57,502 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:47:58,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:47:59,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:47:59,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:00,157 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:48:00,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2023-12-03 04:48:00,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:00,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:48:00,757 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:48:00,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:48:00,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:00,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:00,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:00,759 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:00,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2023-12-03 04:48:07,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:07,455 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:08,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:09,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:48:09,146 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:48:10,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2023-12-03 04:48:10,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:10,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:48:10,955 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:48:10,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:48:10,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:10,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:10,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:10,957 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:10,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2023-12-03 04:48:17,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:17,635 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:19,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:19,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:48:19,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:20,754 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:48:20,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2023-12-03 04:48:21,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:21,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:48:21,383 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:48:21,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:48:21,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:21,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:21,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:21,386 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:21,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2023-12-03 04:48:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:28,279 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:29,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:48:29,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:31,088 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:48:31,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2023-12-03 04:48:31,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:31,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:48:31,712 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:48:31,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:48:31,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:31,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:31,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:31,715 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:31,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2023-12-03 04:48:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:38,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:39,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:40,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:48:40,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:41,241 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:48:41,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2023-12-03 04:48:41,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:41,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:48:41,840 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:48:41,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:48:41,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:41,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:41,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:41,842 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:41,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2023-12-03 04:48:48,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:48,593 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:50,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:48:50,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:48:51,246 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:48:51,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2023-12-03 04:48:51,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:48:51,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:48:51,841 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:48:51,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:48:51,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:48:51,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:48:51,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:48:51,843 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:48:51,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2023-12-03 04:48:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:58,363 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:48:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:48:59,938 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:48:59,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:49:01,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2023-12-03 04:49:01,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:01,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:49:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:49:01,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:49:01,662 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:01,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:01,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:01,663 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:01,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2023-12-03 04:49:07,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:07,983 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:09,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:09,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:49:09,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:10,699 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:49:10,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2023-12-03 04:49:11,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:11,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:49:11,291 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:49:11,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:49:11,292 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:11,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:11,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:11,293 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:11,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2023-12-03 04:49:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:17,698 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:19,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:49:19,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:20,340 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:49:20,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2023-12-03 04:49:20,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:20,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:49:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:49:20,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:49:20,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:20,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:20,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:20,940 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:20,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2023-12-03 04:49:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:27,441 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:28,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:49:28,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:30,023 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:49:30,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2023-12-03 04:49:30,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:30,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:49:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:49:30,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:49:30,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:30,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:30,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:30,630 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:30,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2023-12-03 04:49:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:37,163 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:38,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:49:38,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:39,832 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:49:39,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2023-12-03 04:49:40,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:40,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:49:40,404 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:49:40,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:49:40,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:40,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:40,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:40,407 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:40,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2023-12-03 04:49:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:46,912 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:48,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:49:48,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:49:49,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2023-12-03 04:49:50,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:49:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:49:50,188 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:49:50,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:49:50,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:49:50,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:49:50,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:49:50,191 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:49:50,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2023-12-03 04:49:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:57,198 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:49:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:49:58,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:49:58,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:49:59,990 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:50:00,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2023-12-03 04:50:00,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:00,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:50:00,596 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:50:00,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:50:00,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:00,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:00,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:00,599 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:00,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2023-12-03 04:50:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:07,595 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:09,206 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:50:09,209 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:10,299 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:50:10,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2023-12-03 04:50:10,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:10,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:50:10,877 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:50:10,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:50:10,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:10,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:10,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:10,879 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:10,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2023-12-03 04:50:17,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:17,704 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:19,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:19,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:50:19,227 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:50:20,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (65)] Forceful destruction successful, exit code 0 [2023-12-03 04:50:20,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:20,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:50:20,971 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:50:20,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:50:20,972 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:20,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:20,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:20,973 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:20,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2023-12-03 04:50:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:27,918 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:29,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:29,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:50:29,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:30,569 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:50:30,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2023-12-03 04:50:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:31,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:50:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:50:31,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:50:31,183 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:31,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:31,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:31,184 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:31,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2023-12-03 04:50:38,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:38,261 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:39,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:39,831 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:50:39,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:40,935 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:50:40,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2023-12-03 04:50:41,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:41,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:50:41,504 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:50:41,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:50:41,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:41,505 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:41,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:41,506 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:41,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2023-12-03 04:50:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:48,174 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:49,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:50:49,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:50:50,864 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:50:50,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2023-12-03 04:50:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:50:51,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:50:51,469 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:50:51,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:50:51,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:50:51,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:50:51,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:50:51,471 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:50:51,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2023-12-03 04:50:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:50:58,390 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:50:59,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:00,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:51:00,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:01,087 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:51:01,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2023-12-03 04:51:01,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:01,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:51:01,671 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:51:01,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:51:01,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:01,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:01,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:01,673 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:01,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2023-12-03 04:51:08,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:08,915 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:10,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:51:10,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:11,596 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:51:11,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2023-12-03 04:51:12,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:12,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:51:12,204 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:51:12,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:51:12,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:12,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:12,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:12,206 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:12,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2023-12-03 04:51:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:19,476 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:21,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:51:21,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:22,085 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:51:22,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2023-12-03 04:51:22,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:22,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:51:22,702 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:51:22,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:51:22,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:22,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:22,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:22,705 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:22,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2023-12-03 04:51:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:29,738 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:31,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:31,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:51:31,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:32,358 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:51:32,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2023-12-03 04:51:32,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:32,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:51:32,965 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:51:32,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:51:32,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:32,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:32,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:32,967 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:32,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2023-12-03 04:51:40,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:40,194 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:41,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:51:41,765 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:51:42,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2023-12-03 04:51:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:51:43,466 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:51:43,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:51:43,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:43,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:43,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:43,468 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:43,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2023-12-03 04:51:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:50,991 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:51:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:51:52,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:51:52,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:51:53,587 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:51:53,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2023-12-03 04:51:54,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:51:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:51:54,205 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:51:54,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:51:54,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:51:54,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:51:54,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:51:54,207 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:51:54,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2023-12-03 04:52:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:01,710 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:03,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:52:03,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:04,458 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:52:04,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2023-12-03 04:52:05,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:05,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:52:05,065 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:52:05,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:52:05,066 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:05,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:05,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:05,067 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:05,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2023-12-03 04:52:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:12,489 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:14,090 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:52:14,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:15,166 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:52:15,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2023-12-03 04:52:15,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:15,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:52:15,800 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:52:15,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:52:15,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:15,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:15,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:15,803 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:15,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2023-12-03 04:52:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:23,240 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:24,813 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:52:24,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:52:25,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2023-12-03 04:52:26,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:26,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:52:26,513 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:52:26,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:52:26,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:26,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:26,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:26,515 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:26,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2023-12-03 04:52:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:34,193 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:35,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:52:35,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:52:36,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2023-12-03 04:52:37,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:52:37,505 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:52:37,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:52:37,506 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:37,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:37,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:37,508 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:37,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2023-12-03 04:52:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:45,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:46,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:52:46,602 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:52:47,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2023-12-03 04:52:48,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:48,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:52:48,351 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:52:48,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:52:48,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:48,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:48,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:48,354 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:48,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2023-12-03 04:52:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:55,962 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:52:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:52:57,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 2246 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-03 04:52:57,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:52:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-12-03 04:52:58,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2023-12-03 04:52:59,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:52:59,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 192 states and 461 transitions. [2023-12-03 04:52:59,229 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 461 transitions. [2023-12-03 04:52:59,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-03 04:52:59,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:52:59,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:52:59,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:52:59,231 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:52:59,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0e22447a-bc9e-4d12-8461-6047ebcc471c/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process