./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3 --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 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:17:31,047 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:17:31,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:17:31,133 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:17:31,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:17:31,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:17:31,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:17:31,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:17:31,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:17:31,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:17:31,169 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:17:31,169 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:17:31,169 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:17:31,169 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:17:31,169 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:17:31,169 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:17:31,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:17:31,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:17:31,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:17:31,169 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:17:31,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:17:31,170 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:17:31,170 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:17:31,170 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:17:31,170 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:17:31,170 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:17:31,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:17:31,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:17:31,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:17:31,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:17:31,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:17:31,172 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:17:31,172 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:17:31,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3 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 -> 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 [2024-11-24 18:17:31,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:17:31,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:17:31,498 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:17:31,499 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:17:31,499 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:17:31,500 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-24 18:17:34,417 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/data/6aad120b6/652fd2c661444e50a8e16133cfb5f517/FLAGbc9342db8 [2024-11-24 18:17:34,680 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:17:34,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-24 18:17:34,689 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/data/6aad120b6/652fd2c661444e50a8e16133cfb5f517/FLAGbc9342db8 [2024-11-24 18:17:34,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/data/6aad120b6/652fd2c661444e50a8e16133cfb5f517 [2024-11-24 18:17:34,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:17:34,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:17:34,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:17:34,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:17:34,712 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:17:34,713 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:34,713 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb89305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34, skipping insertion in model container [2024-11-24 18:17:34,714 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:34,728 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:17:34,869 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i[914,927] [2024-11-24 18:17:34,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:17:34,907 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:17:34,917 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i[914,927] [2024-11-24 18:17:34,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:17:34,944 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:17:34,945 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34 WrapperNode [2024-11-24 18:17:34,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:17:34,946 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:17:34,946 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:17:34,946 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:17:34,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:34,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:34,994 INFO L138 Inliner]: procedures = 26, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 77 [2024-11-24 18:17:34,997 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:17:34,998 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:17:34,998 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:17:34,998 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:17:35,006 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:35,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:35,011 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:35,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:35,018 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:35,023 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:35,026 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:35,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:35,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:35,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:17:35,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:17:35,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:17:35,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:17:35,038 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:34" (1/1) ... [2024-11-24 18:17:35,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:17:35,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:17:35,082 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:17:35,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:17:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:17:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:17:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:17:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:17:35,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:17:35,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:17:35,178 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:17:35,180 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:17:35,341 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 18:17:35,341 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:17:35,406 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:17:35,406 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:17:35,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:35 BoogieIcfgContainer [2024-11-24 18:17:35,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:17:35,407 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:17:35,407 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:17:35,418 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:17:35,418 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:35" (1/1) ... [2024-11-24 18:17:35,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:17:35,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:35,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-24 18:17:35,492 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-24 18:17:35,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:17:35,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:35,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:17:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:17:35,706 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:17:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:17:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:17:35,958 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:17:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:17:36,029 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-24 18:17:36,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:17:36 ImpRootNode [2024-11-24 18:17:36,083 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:17:36,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:17:36,083 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:17:36,084 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:17:36,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:35" (3/4) ... [2024-11-24 18:17:36,087 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 18:17:36,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:17:36,089 INFO L158 Benchmark]: Toolchain (without parser) took 1382.29ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 115.5MB in the end (delta: 3.0MB). Peak memory consumption was 4.0MB. Max. memory is 16.1GB. [2024-11-24 18:17:36,089 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:36,090 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.88ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 106.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:17:36,090 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.23ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:36,090 INFO L158 Benchmark]: Boogie Preprocessor took 36.01ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.2MB in the end (delta: 755.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:36,091 INFO L158 Benchmark]: RCFGBuilder took 372.36ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 88.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:17:36,091 INFO L158 Benchmark]: CodeCheck took 675.57ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 116.1MB in the end (delta: -27.3MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2024-11-24 18:17:36,092 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 115.5MB in the end (delta: 622.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:17:36,094 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 46, overapproximation of someBinaryFLOATComparisonOperation at line 38, overapproximation of someBinaryFLOATComparisonOperation at line 44, overapproximation of someUnaryFLOAToperation at line 39. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 9.8; [L23] float var_1_2 = 10.375; [L24] float var_1_4 = 256.2; [L25] unsigned long int var_1_5 = 8; [L26] unsigned long int var_1_6 = 3674304896; [L27] unsigned long int var_1_7 = 8; [L28] unsigned char var_1_8 = 0; [L29] unsigned char var_1_9 = 0; [L30] signed short int var_1_10 = -25; [L31] signed short int var_1_11 = -5; [L67] isInitial = 1 [L68] FCALL initially() [L70] FCALL updateLastVariables() [L71] CALL updateVariables() [L43] var_1_2 = __VERIFIER_nondet_float() [L44] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_4=1281/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_4=1281/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L45] var_1_4 = __VERIFIER_nondet_float() [L46] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L46] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=3674304896, var_1_7=8, var_1_8=0, var_1_9=0] [L47] var_1_6 = __VERIFIER_nondet_ulong() [L48] CALL assume_abort_if_not(var_1_6 >= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_6 >= 2147483647) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=8, var_1_8=0, var_1_9=0] [L49] CALL assume_abort_if_not(var_1_6 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=8, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L49] RET assume_abort_if_not(var_1_6 <= 4294967294) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=8, var_1_8=0, var_1_9=0] [L50] var_1_7 = __VERIFIER_nondet_ulong() [L51] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L51] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_8=0, var_1_9=0] [L52] CALL assume_abort_if_not(var_1_7 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L52] RET assume_abort_if_not(var_1_7 <= 4294967294) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L53] var_1_9 = __VERIFIER_nondet_uchar() [L54] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0] [L20] COND FALSE !(!cond) [L54] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0] [L55] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L55] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, var_1_10=-25, var_1_11=-5, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L56] var_1_11 = __VERIFIER_nondet_short() [L57] CALL assume_abort_if_not(var_1_11 >= -32767) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=0, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L57] RET assume_abort_if_not(var_1_11 >= -32767) VAL [isInitial=1, var_1_10=-25, var_1_11=0, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L58] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=-25, var_1_11=0, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L20] COND FALSE !(!cond) [L58] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, var_1_10=-25, var_1_11=0, var_1_1=49/5, var_1_5=8, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L71] RET updateVariables() [L72] CALL step() [L35] var_1_5 = (((((var_1_6 - 500u)) < (var_1_7)) ? ((var_1_6 - 500u)) : (var_1_7))) [L36] var_1_8 = var_1_9 [L37] var_1_10 = var_1_11 [L38] COND TRUE (var_1_2 <= 8.75f) || var_1_8 [L39] var_1_1 = ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))) [L72] RET step() [L73] CALL, EXPR property() [L63-L64] return (((((var_1_2 <= 8.75f) || var_1_8) ? (var_1_1 == ((float) ((((var_1_4) < 0 ) ? -(var_1_4) : (var_1_4))))) : 1) && (var_1_5 == ((unsigned long int) (((((var_1_6 - 500u)) < (var_1_7)) ? ((var_1_6 - 500u)) : (var_1_7)))))) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((signed short int) var_1_11)) ; [L73] RET, EXPR property() [L73] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_1=49/5, var_1_4=0, var_1_5=0, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=0, var_1_11=0, var_1_1=49/5, var_1_4=0, var_1_5=0, var_1_6=2147483647, var_1_7=0, var_1_8=0, var_1_9=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 237.88ms. Allocated memory is still 142.6MB. Free memory was 118.2MB in the beginning and 106.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.23ms. Allocated memory is still 142.6MB. Free memory was 106.4MB in the beginning and 105.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.01ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 104.2MB in the end (delta: 755.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 372.36ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 88.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 675.57ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 116.1MB in the end (delta: -27.3MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 115.5MB in the end (delta: 622.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 18:17:36,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3 --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 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:17:38,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:17:38,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-24 18:17:38,930 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:17:38,931 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:17:38,931 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:17:38,931 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:17:38,932 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:17:38,932 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:17:38,932 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:17:38,932 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:17:38,932 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:17:38,932 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:17:38,932 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:17:38,932 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:17:38,932 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:17:38,932 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 18:17:38,933 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 18:17:38,933 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 18:17:38,933 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:17:38,933 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:17:38,933 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:17:38,933 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:17:38,933 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:17:38,933 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:17:38,934 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:17:38,934 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:38,934 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-24 18:17:38,934 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:17:38,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:17:38,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:17:38,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:17:38,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:17:38,935 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-24 18:17:38,935 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:38,935 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-24 18:17:38,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3 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 -> 02ce82ba0ace3f5b040163bfedd713ab4e5a143077898ba922a6491fc85c9af7 [2024-11-24 18:17:39,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:17:39,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:17:39,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:17:39,276 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:17:39,277 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:17:39,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-24 18:17:42,173 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/data/93a598c94/9badce419c9a40d48a6f13668c820aeb/FLAG322944dc1 [2024-11-24 18:17:42,460 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:17:42,460 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i [2024-11-24 18:17:42,473 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/data/93a598c94/9badce419c9a40d48a6f13668c820aeb/FLAG322944dc1 [2024-11-24 18:17:42,744 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/data/93a598c94/9badce419c9a40d48a6f13668c820aeb [2024-11-24 18:17:42,747 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:17:42,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:17:42,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:17:42,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:17:42,760 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:17:42,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:17:42" (1/1) ... [2024-11-24 18:17:42,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21eb585a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:42, skipping insertion in model container [2024-11-24 18:17:42,765 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:17:42" (1/1) ... [2024-11-24 18:17:42,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:17:42,954 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i[914,927] [2024-11-24 18:17:43,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:17:43,021 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:17:43,035 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-1.i[914,927] [2024-11-24 18:17:43,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:17:43,082 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:17:43,082 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43 WrapperNode [2024-11-24 18:17:43,083 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:17:43,084 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:17:43,084 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:17:43,084 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:17:43,094 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,135 INFO L138 Inliner]: procedures = 27, calls = 23, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 76 [2024-11-24 18:17:43,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:17:43,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:17:43,136 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:17:43,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:17:43,145 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,164 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,172 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,177 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,179 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:17:43,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:17:43,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:17:43,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:17:43,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:17:43,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:17:43,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:17:43,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:17:43,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:17:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-24 18:17:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 18:17:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 18:17:43,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:17:43,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:17:43,306 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:17:43,308 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:17:43,498 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-24 18:17:43,499 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:17:43,567 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:17:43,567 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:17:43,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:43 BoogieIcfgContainer [2024-11-24 18:17:43,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:17:43,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:17:43,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:17:43,579 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:17:43,579 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:17:43" (1/1) ... [2024-11-24 18:17:43,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:17:43,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:43,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-24 18:17:43,638 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-24 18:17:43,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:17:43,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:43,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:43,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:43,648 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:43,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-24 18:17:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:44,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:44,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:17:44,274 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:50,895 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:17:50,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-24 18:17:51,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:51,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 44 states and 82 transitions. [2024-11-24 18:17:51,824 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 82 transitions. [2024-11-24 18:17:51,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:17:51,826 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:51,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:51,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:51,830 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:51,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-24 18:17:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:52,340 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:52,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:17:52,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:17:57,028 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:17:57,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-24 18:17:58,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:17:58,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-24 18:17:58,688 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-24 18:17:58,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:17:58,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:17:58,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:17:58,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:17:58,692 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:17:58,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-24 18:17:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:59,078 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:17:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:17:59,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:17:59,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:02,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-24 18:18:02,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:02,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-24 18:18:02,265 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-24 18:18:02,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:02,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:02,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:02,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:02,268 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:02,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-24 18:18:02,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:02,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:02,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:18:02,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:05,193 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:05,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-24 18:18:05,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:05,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-24 18:18:05,715 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-24 18:18:05,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:05,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:05,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:05,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:05,721 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:05,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-24 18:18:06,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:06,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:06,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:18:06,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:08,966 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:08,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-24 18:18:08,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:08,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-24 18:18:08,997 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-24 18:18:09,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:09,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:09,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:09,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:09,005 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:09,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-24 18:18:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:09,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:09,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:18:09,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:11,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-24 18:18:12,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 57 states and 105 transitions. [2024-11-24 18:18:12,366 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 105 transitions. [2024-11-24 18:18:12,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:12,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:12,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:12,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:12,373 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:12,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-24 18:18:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:12,842 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:12,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:18:12,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:15,647 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:15,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-24 18:18:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 59 states and 121 transitions. [2024-11-24 18:18:16,190 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 121 transitions. [2024-11-24 18:18:16,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:16,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:16,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:16,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:16,196 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:16,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-24 18:18:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:16,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:16,605 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:18:16,607 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:18,988 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:18,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-24 18:18:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:19,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 59 states and 121 transitions. [2024-11-24 18:18:19,318 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 121 transitions. [2024-11-24 18:18:19,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:19,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:19,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:19,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:19,324 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:19,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-24 18:18:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:19,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:19,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:18:19,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:22,467 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:22,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-24 18:18:23,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:23,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:18:23,492 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:18:23,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:23,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:23,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:23,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:23,499 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:23,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-24 18:18:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:23,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:23,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:18:23,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:26,457 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:26,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-24 18:18:26,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:26,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:18:26,492 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:18:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:26,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:26,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:26,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:26,496 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:26,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-24 18:18:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:26,859 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:26,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:18:26,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:29,260 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:29,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-24 18:18:29,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:29,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:18:29,295 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:18:29,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:29,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:29,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:29,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:29,299 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:29,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-24 18:18:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:29,663 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:29,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:18:29,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:32,371 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:32,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-24 18:18:32,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:32,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:18:32,390 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:18:32,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:32,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:32,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:32,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:32,397 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:32,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-24 18:18:32,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:32,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:32,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:18:32,850 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:35,298 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:35,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-24 18:18:35,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:35,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:18:35,780 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:18:35,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:35,781 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:35,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:35,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:35,783 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:35,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-24 18:18:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:36,164 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:36,192 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:18:36,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:38,872 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:38,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-24 18:18:38,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:38,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:18:38,890 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:18:38,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:38,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:38,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:38,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:38,894 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:38,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-24 18:18:39,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:39,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:39,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:39,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:18:39,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:41,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-24 18:18:42,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:42,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:18:42,080 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:18:42,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:42,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:42,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:42,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:42,084 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:42,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-24 18:18:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:42,451 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:42,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:18:42,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:44,836 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:44,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-24 18:18:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:18:45,158 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:18:45,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:45,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:45,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:45,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:45,162 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:45,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-24 18:18:45,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:45,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:45,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:18:45,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:47,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-24 18:18:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:18:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:18:48,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:48,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:48,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:48,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:48,320 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:48,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-24 18:18:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:48,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:48,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:18:48,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:51,375 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:51,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-24 18:18:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:18:51,390 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:18:51,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:51,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:51,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:51,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:51,394 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:51,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-24 18:18:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:51,765 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:51,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:18:51,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:54,953 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:54,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-24 18:18:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:54,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:18:54,971 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:18:54,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:54,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:54,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:54,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:54,978 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:54,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-24 18:18:55,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:55,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:55,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:18:55,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:18:58,197 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:18:58,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-24 18:18:58,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:18:58,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:18:58,212 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:18:58,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:18:58,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:18:58,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:18:58,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:18:58,215 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:18:58,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-24 18:18:58,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:58,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:18:58,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:18:58,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:18:58,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:01,289 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:01,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-24 18:19:01,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:01,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:01,304 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:01,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:01,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:01,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:01,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:01,306 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:01,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-24 18:19:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:01,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:01,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:01,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:04,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-24 18:19:04,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:04,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:04,489 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:04,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:04,489 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:04,489 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:04,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:04,492 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:04,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-24 18:19:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:04,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:04,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:04,905 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:07,736 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:07,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-24 18:19:07,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:07,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:07,751 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:07,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:07,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:07,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:07,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:07,754 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:07,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-24 18:19:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:08,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:08,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:08,191 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:10,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-24 18:19:11,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:11,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:11,011 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:11,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:11,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:11,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:11,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:11,014 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:11,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-24 18:19:11,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:11,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:11,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:11,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:14,265 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:14,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-24 18:19:14,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:14,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:14,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:14,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:14,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:14,284 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:14,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-24 18:19:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:14,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:14,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:19:14,705 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:17,065 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:17,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Forceful destruction successful, exit code 0 [2024-11-24 18:19:17,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:17,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:17,499 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:17,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:17,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:17,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:17,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:17,501 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:17,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-24 18:19:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:17,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:17,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:19:17,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:20,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-24 18:19:20,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:20,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:20,698 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:20,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:20,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:20,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:20,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:20,700 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:20,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-24 18:19:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:21,058 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:21,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:21,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:21,086 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:23,744 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:23,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-24 18:19:23,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:23,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:23,757 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:23,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:23,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:23,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:23,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:23,760 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:23,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-24 18:19:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:24,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:24,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:24,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:26,990 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:26,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-24 18:19:27,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:27,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:27,005 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:27,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:27,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:27,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:27,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:27,007 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:27,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-24 18:19:27,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:27,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:27,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:27,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:30,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-24 18:19:30,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:30,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:30,119 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:30,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:30,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:30,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:30,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:30,123 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:30,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-24 18:19:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:30,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:30,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:19:30,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:32,919 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:32,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-24 18:19:33,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:33,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:33,351 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:33,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:33,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:33,351 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:33,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:33,353 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:33,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-24 18:19:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:33,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:33,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:19:33,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:36,145 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:36,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-24 18:19:36,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:36,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:36,590 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:36,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:36,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:36,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:36,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:36,595 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:36,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-24 18:19:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:36,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:37,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:37,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:39,891 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:39,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-24 18:19:39,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:39,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:39,904 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:39,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:39,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:39,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:39,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:39,908 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:39,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-24 18:19:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:40,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:40,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:40,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:19:40,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:42,737 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:42,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-24 18:19:43,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:43,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:43,208 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:43,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:43,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:43,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:43,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:43,213 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:43,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-24 18:19:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:43,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:43,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:43,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:43,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:46,449 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:46,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-24 18:19:46,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:46,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:46,469 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:46,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:46,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:46,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:46,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:46,472 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:46,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-24 18:19:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:46,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:46,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:46,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:49,673 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:49,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-24 18:19:49,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:49,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:49,687 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:49,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:49,687 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:49,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:49,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:49,689 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:49,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-24 18:19:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:50,063 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:50,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:50,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:50,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:52,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-24 18:19:52,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:52,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:52,791 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:52,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:52,791 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:52,791 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:52,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:52,793 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:52,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-24 18:19:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:53,175 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:53,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:53,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:53,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:55,929 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:55,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-24 18:19:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:55,946 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:55,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:55,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:55,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:55,950 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:55,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-24 18:19:56,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:56,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:56,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:56,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:19:56,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:19:58,805 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:19:58,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-24 18:19:59,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:59,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:19:59,257 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:19:59,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:19:59,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:59,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:19:59,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:19:59,260 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:19:59,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-24 18:19:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:59,624 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:19:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:59,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:19:59,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:02,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Forceful destruction successful, exit code 0 [2024-11-24 18:20:02,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:02,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:02,327 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:02,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:02,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:02,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:02,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:02,333 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:02,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-24 18:20:02,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:02,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:02,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:20:02,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:05,094 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:05,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-24 18:20:05,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:05,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:05,420 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:05,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:05,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:05,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:05,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:05,422 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:05,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-24 18:20:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:05,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:05,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:20:05,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:08,640 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:08,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-24 18:20:08,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:08,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:08,653 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:08,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:08,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:08,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:08,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:08,655 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:08,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-24 18:20:09,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:09,022 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:09,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:20:09,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:11,724 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:11,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-24 18:20:11,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:11,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:11,746 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:11,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:11,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:11,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:11,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:11,751 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:11,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-24 18:20:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:12,137 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:12,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:20:12,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:14,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Forceful destruction successful, exit code 0 [2024-11-24 18:20:14,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:14,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:14,873 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:14,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:14,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:14,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:14,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:14,877 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:14,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-24 18:20:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:15,296 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:15,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:20:15,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:18,061 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:18,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-24 18:20:18,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:18,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:18,075 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:18,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:18,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:18,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:18,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:18,078 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:18,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-24 18:20:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:18,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:18,479 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:20:18,481 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:20,856 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:20,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Forceful destruction successful, exit code 0 [2024-11-24 18:20:21,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:21,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:21,186 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:21,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:21,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:21,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:21,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:21,187 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:21,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-24 18:20:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:21,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:21,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:20:21,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:24,020 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:24,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-24 18:20:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:24,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:24,458 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:24,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:24,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:24,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:24,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:24,460 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:24,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-24 18:20:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:24,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:24,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:20:24,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:27,191 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:27,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-24 18:20:27,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:27,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:27,643 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:27,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:27,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:27,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:27,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:27,647 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:27,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-24 18:20:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:28,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:28,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:20:28,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:30,807 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:30,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-24 18:20:30,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:30,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:30,821 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:30,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:30,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:30,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:30,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:30,823 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:30,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-24 18:20:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:31,190 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:31,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:20:31,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:33,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-24 18:20:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:34,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:34,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:34,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:34,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:34,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:34,054 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:34,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-24 18:20:34,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:34,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:34,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:20:34,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:36,819 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:36,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-24 18:20:37,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:37,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:37,147 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:37,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:37,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:37,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:37,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:37,149 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:37,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-24 18:20:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:37,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:37,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:20:37,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:40,281 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:40,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-24 18:20:40,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:40,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:40,300 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:40,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:40,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:40,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:40,302 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:40,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-24 18:20:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:40,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:40,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:40,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:20:40,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:43,354 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:43,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-24 18:20:43,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:43,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:43,367 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:43,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:43,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:43,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:43,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:43,370 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:43,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-24 18:20:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:43,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:43,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:20:43,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:46,106 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:46,113 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-24 18:20:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:46,439 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:46,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:46,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:46,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:46,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:46,441 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:46,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-24 18:20:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:46,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:46,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:20:46,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:49,520 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:49,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-24 18:20:49,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:49,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:49,534 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:49,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:49,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:49,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:49,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:49,536 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:49,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-24 18:20:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:49,912 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:49,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:20:49,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:52,297 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:52,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-24 18:20:52,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:52,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:52,739 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:52,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:52,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:52,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:52,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:52,744 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:52,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-24 18:20:53,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:53,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:53,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:20:53,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:55,507 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:55,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Forceful destruction successful, exit code 0 [2024-11-24 18:20:56,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:56,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:56,101 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:56,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:56,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:56,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:56,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:56,103 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:56,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-24 18:20:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:56,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:56,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:56,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:20:56,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:20:58,876 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:20:58,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-24 18:20:59,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:59,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:20:59,336 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:20:59,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:20:59,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:59,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:20:59,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:20:59,338 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:20:59,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-24 18:20:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:59,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:20:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:59,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:20:59,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:02,188 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:02,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-24 18:21:02,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:02,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:02,798 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:02,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:02,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:02,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:02,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:02,801 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:02,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-24 18:21:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:03,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:03,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:21:03,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:05,636 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:05,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-24 18:21:06,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:06,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:06,134 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:06,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:06,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:06,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:06,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:06,141 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:06,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-24 18:21:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:06,627 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:06,653 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:21:06,654 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:09,332 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:09,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-24 18:21:09,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:09,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:09,347 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:09,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:09,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:09,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:09,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:09,350 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:09,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-24 18:21:09,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:09,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:09,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:09,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:21:09,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:12,167 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:12,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-24 18:21:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:12,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:12,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:12,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:12,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:12,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:12,522 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:12,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-24 18:21:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:12,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:12,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:21:12,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:15,282 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:15,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-24 18:21:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:15,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:15,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:15,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:15,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:15,717 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:15,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-24 18:21:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:16,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:16,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:16,135 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:21:16,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:18,906 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:18,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-24 18:21:18,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:18,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:18,924 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:18,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:18,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:18,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:18,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:18,929 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:18,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-24 18:21:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:19,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:19,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:21:19,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:21,831 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:21,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-24 18:21:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:22,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:22,325 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:22,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:22,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:22,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:22,327 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:22,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-24 18:21:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:22,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:22,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:21:22,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:25,189 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:25,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-24 18:21:25,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:25,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:25,746 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:25,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:25,747 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:25,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:25,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:25,748 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:25,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-24 18:21:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:26,136 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:26,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:26,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:21:26,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:28,561 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:28,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-24 18:21:29,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:29,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:29,020 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:29,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:29,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:29,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:29,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:29,023 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:29,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-24 18:21:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:29,480 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:29,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:29,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:21:29,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:32,254 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:32,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-24 18:21:32,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:32,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:32,272 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:32,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:32,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:32,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:32,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:32,279 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:32,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-24 18:21:32,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:32,644 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:32,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:32,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:21:32,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:35,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-24 18:21:35,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:35,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:35,469 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:35,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:35,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:35,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:35,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:35,473 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:35,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-24 18:21:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:35,904 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:35,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:35,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:21:35,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:38,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-24 18:21:38,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:38,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:38,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:38,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:38,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:38,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:38,704 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:38,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-24 18:21:39,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:39,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:39,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:39,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:21:39,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:41,477 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:41,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-24 18:21:41,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:41,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:41,816 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:41,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:41,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:41,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:41,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:41,819 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:41,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-24 18:21:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:42,193 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:42,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:42,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:21:42,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:44,911 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:44,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-24 18:21:44,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:44,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:44,925 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:44,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:44,926 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:44,926 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:44,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:44,930 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:44,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-24 18:21:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:45,318 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:45,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:21:45,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:47,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-24 18:21:48,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:48,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:48,242 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:48,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:48,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:48,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:48,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:48,246 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:48,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-24 18:21:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:48,642 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:48,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:48,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:21:48,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:51,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-24 18:21:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:51,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:51,430 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:51,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:51,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:51,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:51,434 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:51,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-24 18:21:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:51,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:51,869 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:21:51,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:54,627 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:54,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-24 18:21:54,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:54,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:54,643 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:54,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:54,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:54,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:54,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:54,645 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:54,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-24 18:21:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:55,032 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:55,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:21:55,058 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:21:57,594 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:21:57,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-11-24 18:21:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:57,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:21:57,931 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:21:57,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:21:57,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:57,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:21:57,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:21:57,933 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:21:57,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-24 18:21:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:58,302 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:21:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:58,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:21:58,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:00,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Forceful destruction successful, exit code 0 [2024-11-24 18:22:01,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:01,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:01,096 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:01,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:01,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:01,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:01,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:01,098 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:01,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-24 18:22:01,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:01,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:01,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:01,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:22:01,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:03,869 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:03,872 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Forceful destruction successful, exit code 0 [2024-11-24 18:22:04,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:04,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:04,219 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:04,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:04,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:04,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:04,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:04,220 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:04,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-24 18:22:04,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:04,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:04,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:04,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:07,391 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:07,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-24 18:22:07,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:07,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:07,404 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:07,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:07,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:07,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:07,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:07,406 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:07,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-24 18:22:07,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:07,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:07,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:22:07,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:10,202 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:10,205 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-24 18:22:10,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:10,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:10,532 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:10,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:10,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:10,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:10,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:10,534 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:10,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-24 18:22:10,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:10,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:10,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:10,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:10,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:13,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-24 18:22:13,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:13,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:13,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:13,666 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:13,666 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:13,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:13,668 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:13,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-24 18:22:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:14,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:14,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:14,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:22:14,092 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:16,508 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:16,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-24 18:22:16,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:16,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:16,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:16,835 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:16,835 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:16,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:16,837 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:16,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-24 18:22:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:17,218 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:17,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:17,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:19,937 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:19,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-24 18:22:19,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:19,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:19,951 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:19,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:19,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:19,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:19,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:19,953 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:19,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-24 18:22:20,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:20,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:20,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:20,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:23,129 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:23,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-24 18:22:23,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:23,142 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:23,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:23,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:23,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:23,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:23,146 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:23,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-24 18:22:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:23,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:23,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:23,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:26,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-24 18:22:26,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:26,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:26,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:26,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:26,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:26,436 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:26,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-24 18:22:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:26,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:26,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:22:26,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:29,274 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:29,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-24 18:22:29,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:29,745 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:29,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:29,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:29,745 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:29,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:29,747 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:29,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-24 18:22:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:30,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:30,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:30,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:32,837 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:32,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-24 18:22:32,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:32,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:32,851 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:32,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:32,851 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:32,851 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:32,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:32,853 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:32,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-24 18:22:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:33,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:33,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:33,258 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:33,259 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:36,058 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:36,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Forceful destruction successful, exit code 0 [2024-11-24 18:22:36,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:36,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:36,071 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:36,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:36,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:36,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:36,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:36,073 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:36,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-24 18:22:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:36,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:36,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:36,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:39,184 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:39,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-24 18:22:39,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:39,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:39,198 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:39,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:39,198 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:39,198 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:39,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:39,200 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:39,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-24 18:22:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:39,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:39,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:39,596 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:42,372 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:42,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-24 18:22:42,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:42,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:42,391 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:42,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:42,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:42,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:42,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:42,395 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:42,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-24 18:22:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:42,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:42,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:42,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:42,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:45,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-24 18:22:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:45,522 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:45,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:45,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:45,522 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:45,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:45,524 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:45,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-24 18:22:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:45,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:45,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:45,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:45,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:48,674 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:48,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-24 18:22:48,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:48,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:48,687 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:48,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:48,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:48,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:48,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:48,689 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:48,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-24 18:22:49,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:49,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:49,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:49,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:49,079 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:51,843 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:51,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-11-24 18:22:51,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:51,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:51,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:51,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:51,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:51,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:51,862 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:51,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-24 18:22:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:52,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:52,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:52,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:55,164 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:55,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-24 18:22:55,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:55,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:55,184 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:55,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:55,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:55,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:55,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:55,189 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:55,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-24 18:22:55,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:55,567 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:55,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:22:55,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:22:58,307 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:22:58,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Forceful destruction successful, exit code 0 [2024-11-24 18:22:58,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:58,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:22:58,320 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:22:58,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:22:58,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:58,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:22:58,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:22:58,322 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:22:58,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-24 18:22:58,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:58,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:22:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:58,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:22:58,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:01,090 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:01,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-24 18:23:01,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:01,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:01,517 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:01,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:01,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:01,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:01,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:01,519 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:01,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-24 18:23:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:01,888 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:01,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:01,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:23:01,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:04,430 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:04,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-11-24 18:23:04,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:04,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:04,859 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:04,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:04,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:04,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:04,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:04,861 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:04,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-24 18:23:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:05,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:05,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:23:05,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:07,962 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:07,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-24 18:23:08,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:08,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:08,388 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:08,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:08,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:08,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:08,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:08,390 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:08,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-24 18:23:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:08,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:08,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:23:08,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:11,127 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:11,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-24 18:23:11,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:11,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:11,158 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:11,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:11,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:11,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:11,161 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:11,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-24 18:23:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:11,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:11,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:23:11,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:14,231 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:14,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-24 18:23:14,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:14,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:14,244 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:14,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:14,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:14,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:14,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:14,246 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:14,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-24 18:23:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:14,618 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:14,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:23:14,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:17,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-24 18:23:17,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:17,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:17,214 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:17,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:17,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:17,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:17,216 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:17,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-24 18:23:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:17,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:17,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:23:17,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:19,965 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:19,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-24 18:23:20,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:20,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:20,387 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:20,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:20,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:20,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:20,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:20,390 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:20,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-24 18:23:20,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:20,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:20,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:20,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:23:20,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:23,232 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:23,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-11-24 18:23:23,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:23,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:23,671 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:23,671 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:23,671 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:23,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:23,673 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:23,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-24 18:23:24,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:24,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:24,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:23:24,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:26,765 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:26,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-24 18:23:26,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:26,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:26,779 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:26,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:26,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:26,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:26,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:26,786 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:26,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-24 18:23:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:27,152 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:27,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:23:27,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:29,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-24 18:23:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:30,048 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:30,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:30,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:30,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:30,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:30,050 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:30,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-24 18:23:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:30,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:30,444 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:23:30,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:33,146 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:33,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-24 18:23:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:33,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:33,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:33,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:33,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:33,167 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:33,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-24 18:23:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:33,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:33,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:33,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:23:33,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:36,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-11-24 18:23:36,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:36,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:36,557 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:36,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:36,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:36,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:36,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:36,559 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:36,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-24 18:23:36,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:36,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:36,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:23:36,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:39,621 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:39,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-24 18:23:39,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:39,634 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:39,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:39,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:39,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:39,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:39,637 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:39,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-24 18:23:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:40,006 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:40,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:23:40,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:42,712 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:42,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-11-24 18:23:42,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:42,726 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:42,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:42,727 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:42,727 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:42,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:42,731 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:42,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-24 18:23:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:43,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:43,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:23:43,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:45,621 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:45,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-24 18:23:46,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:46,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:46,076 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:46,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:46,077 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:46,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:46,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:46,083 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:46,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-24 18:23:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:46,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:46,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:23:46,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:48,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-24 18:23:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:49,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:49,277 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:49,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:49,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:49,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:49,282 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:49,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-24 18:23:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:49,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:49,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:23:49,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:52,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-24 18:23:52,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:52,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:52,048 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:52,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:52,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:52,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:52,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:52,051 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:52,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-24 18:23:52,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:52,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:52,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:23:52,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:55,118 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:55,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-11-24 18:23:55,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:55,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:55,131 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:55,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:55,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:55,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:55,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:55,132 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:55,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-24 18:23:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:55,536 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:55,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:55,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:23:55,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:23:57,972 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:23:57,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-24 18:23:58,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:23:58,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:23:58,401 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:23:58,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:23:58,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:23:58,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:23:58,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:23:58,407 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:23:58,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-24 18:23:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:58,761 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:23:58,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:23:58,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:23:58,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:02,215 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-24 18:24:02,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:02,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:02,229 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:02,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:02,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:02,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:02,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:02,231 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:02,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-24 18:24:02,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:02,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:02,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:24:02,635 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:05,773 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:05,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-11-24 18:24:06,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:06,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:06,237 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:06,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:06,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:06,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:06,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:06,239 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:06,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-24 18:24:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:06,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:06,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:24:06,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:09,975 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:09,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-11-24 18:24:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:09,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:09,989 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:09,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:09,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:09,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:09,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:09,991 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:09,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-24 18:24:10,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:10,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:10,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:24:10,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:13,768 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:13,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-24 18:24:13,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:13,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:13,782 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:13,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:13,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:13,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:13,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:13,784 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:13,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-24 18:24:14,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:14,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:14,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:24:14,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:17,324 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:17,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-11-24 18:24:17,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:17,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:17,946 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:17,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:17,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:17,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:17,950 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:17,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-24 18:24:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:18,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:18,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:24:18,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:22,094 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:22,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-24 18:24:22,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:22,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:22,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:22,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:22,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:22,111 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:22,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-24 18:24:22,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:22,488 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:22,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:24:22,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:26,147 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:26,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-24 18:24:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:26,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:26,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:26,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:26,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:26,163 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:26,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-24 18:24:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:26,703 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:26,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:26,731 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:24:26,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:30,366 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:30,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-24 18:24:30,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:30,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:30,380 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:30,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:30,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:30,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:30,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:30,381 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:30,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-24 18:24:30,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:30,893 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:30,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:30,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:24:30,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:34,434 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:34,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-24 18:24:34,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:34,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:34,448 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:34,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:34,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:34,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:34,452 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:34,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-24 18:24:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:34,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:34,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:34,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:24:34,913 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:38,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-24 18:24:38,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:38,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:38,056 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:38,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:38,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:38,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:38,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:38,061 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:38,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-24 18:24:38,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:38,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:38,504 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:24:38,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:41,375 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:41,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-24 18:24:41,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:41,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:41,389 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:41,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:41,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:41,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:41,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:41,391 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:41,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-24 18:24:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:41,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:41,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:41,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:24:41,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:44,460 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:44,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-24 18:24:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:44,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:44,952 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:44,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:44,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:44,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:44,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:44,955 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:44,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-24 18:24:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:45,397 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:45,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:24:45,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:48,483 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:48,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-24 18:24:48,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:48,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:48,496 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:48,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:48,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:48,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:48,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:48,500 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:48,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-24 18:24:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:48,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:48,948 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:24:48,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:51,413 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:51,417 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-24 18:24:51,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:51,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:51,900 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:51,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:51,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:51,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:51,902 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:51,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-24 18:24:52,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:52,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:52,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:24:52,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:54,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-24 18:24:55,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:55,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:55,341 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:55,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:55,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:55,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:55,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:55,343 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:55,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-24 18:24:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:55,741 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:55,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:24:55,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:24:58,462 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:24:58,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-24 18:24:58,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:24:58,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:24:58,939 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:24:58,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:24:58,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:24:58,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:24:58,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:24:58,941 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:24:58,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-24 18:24:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:59,357 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:24:59,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:24:59,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:24:59,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:02,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-24 18:25:02,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:02,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:02,368 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:02,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:02,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:02,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:02,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:02,370 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:02,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-24 18:25:02,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:02,780 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:02,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:02,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:25:02,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:05,263 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:05,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-24 18:25:05,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:05,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:05,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:05,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:05,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:05,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:05,771 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:05,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-24 18:25:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:06,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:06,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:06,227 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:25:06,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:09,182 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:09,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-24 18:25:09,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:09,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:09,195 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:09,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:09,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:09,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:09,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:09,197 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:09,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-24 18:25:09,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:09,581 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:09,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:25:09,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:12,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-24 18:25:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:12,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:12,586 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:12,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:12,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:12,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:12,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:12,588 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:12,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-24 18:25:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:13,021 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:13,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:25:13,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:15,700 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:15,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-24 18:25:16,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:16,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:16,231 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:16,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:16,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:16,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:16,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:16,233 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:16,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-24 18:25:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:16,669 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:16,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:25:16,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:19,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-24 18:25:19,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:19,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:19,633 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:19,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:19,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:19,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:19,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:19,635 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:19,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-24 18:25:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:20,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:20,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:20,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:25:20,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:23,070 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:23,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-24 18:25:23,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:23,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:23,087 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:23,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:23,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:23,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:23,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:23,090 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:23,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-24 18:25:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:23,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:23,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:23,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:25:23,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:26,413 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:26,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-24 18:25:26,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:26,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:26,968 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:26,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:26,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:26,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:26,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:26,970 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:26,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-24 18:25:27,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:27,444 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:27,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:27,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:25:27,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:30,073 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:30,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-24 18:25:30,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:30,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:30,532 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:30,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:30,532 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:30,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:30,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:30,534 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:30,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-24 18:25:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:30,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:30,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:25:30,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:33,657 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:33,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-24 18:25:33,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:33,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:33,670 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:33,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:33,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:33,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:33,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:33,672 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:33,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-24 18:25:34,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:34,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:34,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:25:34,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:36,832 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:36,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-24 18:25:36,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:36,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:36,845 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:36,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:36,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:36,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:36,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:36,847 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:36,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-24 18:25:37,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:37,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:37,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:37,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:25:37,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:40,264 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:40,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-24 18:25:40,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:40,278 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:40,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:40,278 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:40,278 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:40,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:40,280 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:40,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-24 18:25:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:40,664 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:40,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:40,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:25:40,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:43,145 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:43,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-24 18:25:43,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:43,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:43,624 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:43,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:43,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:43,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:43,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:43,625 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:43,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-24 18:25:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:43,998 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:44,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:25:44,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:46,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-24 18:25:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:46,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:46,853 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:46,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:46,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:46,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:46,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:46,855 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:46,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-24 18:25:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:47,244 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:47,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:25:47,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:49,772 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:49,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-24 18:25:50,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:50,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:50,226 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:50,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:50,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:50,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:50,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:50,228 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:50,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-24 18:25:50,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:50,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:50,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:25:50,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:53,381 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:53,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-24 18:25:53,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:53,395 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:53,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:53,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:53,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:53,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:53,397 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:53,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-24 18:25:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:53,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:53,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:25:53,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:56,499 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:56,502 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-24 18:25:56,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:56,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:56,512 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:56,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:56,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:56,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:56,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:56,513 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:56,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-24 18:25:56,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:56,885 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:25:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:25:56,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:25:56,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:25:59,518 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:25:59,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-24 18:25:59,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:25:59,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:25:59,860 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:25:59,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:25:59,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:25:59,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:25:59,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:25:59,862 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:25:59,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-24 18:26:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:00,236 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:00,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:26:00,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:03,007 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:03,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-24 18:26:03,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:03,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:03,020 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:03,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:03,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:03,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:03,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:03,021 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:03,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-24 18:26:03,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:03,386 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:03,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:26:03,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:06,247 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:06,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-24 18:26:06,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:06,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:06,262 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:06,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:06,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:06,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:06,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:06,267 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:06,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-24 18:26:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:06,626 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:06,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:26:06,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:09,351 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:09,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-24 18:26:09,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:09,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:09,363 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:09,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:09,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:09,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:09,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:09,368 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:09,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-24 18:26:09,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:09,761 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:09,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:09,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:26:09,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:12,162 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:12,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-24 18:26:12,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:12,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:12,509 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:12,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:12,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:12,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:12,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:12,511 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:12,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-24 18:26:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:12,912 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:12,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:26:12,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:15,711 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:15,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-24 18:26:15,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:15,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:15,734 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:15,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:15,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:15,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:15,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:15,737 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:15,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-24 18:26:16,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:16,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:16,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:26:16,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:18,917 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:18,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-24 18:26:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:18,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:18,931 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:18,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:18,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:18,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:18,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:18,933 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:18,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-24 18:26:19,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:19,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:19,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:26:19,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:22,296 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:22,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-24 18:26:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:22,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:22,873 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:22,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:22,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:22,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:22,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:22,875 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:22,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-24 18:26:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:23,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:23,417 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:26:23,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:26,571 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:26,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-24 18:26:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:27,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:27,162 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:27,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:27,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:27,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:27,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:27,164 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:27,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-24 18:26:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:27,638 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:27,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:26:27,673 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:30,784 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:30,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-24 18:26:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:31,264 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:31,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:31,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:31,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:31,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:31,266 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:31,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-24 18:26:31,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:31,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:31,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:26:31,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:35,566 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:35,570 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-24 18:26:35,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:35,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:35,579 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:35,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:35,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:35,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:35,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:35,581 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:35,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-24 18:26:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:35,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:35,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:35,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:26:35,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:39,133 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:39,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-24 18:26:39,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:39,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:39,629 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:39,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:39,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:39,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:39,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:39,632 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:39,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-24 18:26:40,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:40,113 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:40,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:40,139 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:26:40,140 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:43,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Forceful destruction successful, exit code 0 [2024-11-24 18:26:43,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:43,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:43,631 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:43,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:43,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:43,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:43,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:43,633 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:43,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-24 18:26:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:44,193 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:44,221 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:26:44,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:47,641 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:47,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Forceful destruction successful, exit code 0 [2024-11-24 18:26:47,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:47,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:47,654 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:47,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:47,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:47,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:47,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:47,656 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:47,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-24 18:26:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:48,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:48,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:26:48,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:51,179 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:51,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-24 18:26:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:51,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:51,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:51,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:51,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:51,545 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:51,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-24 18:26:52,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:52,019 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:52,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:26:52,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:55,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-24 18:26:55,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:26:55,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:26:55,923 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:26:55,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:26:55,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:26:55,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:26:55,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:26:55,927 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:26:55,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-24 18:26:56,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:56,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:26:56,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:26:56,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:26:56,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:26:59,715 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:26:59,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-24 18:27:00,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:00,058 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:00,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:00,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:00,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:00,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:00,060 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:00,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-24 18:27:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:00,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:00,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:27:00,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:03,477 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:03,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-24 18:27:03,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:03,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:03,944 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:03,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:03,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:03,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:03,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:03,948 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:03,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-24 18:27:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:04,450 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:04,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:27:04,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:08,033 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:08,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-11-24 18:27:08,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:08,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:08,052 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:08,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:08,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:08,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:08,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:08,059 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:08,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-24 18:27:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:08,585 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:08,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:27:08,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:11,909 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:11,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-24 18:27:12,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:12,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:12,361 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:12,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:12,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:12,361 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:12,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:12,366 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:12,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-24 18:27:12,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:12,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:12,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:27:12,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:16,584 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:16,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Forceful destruction successful, exit code 0 [2024-11-24 18:27:16,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:16,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:16,603 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:16,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:16,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:16,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:16,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:16,609 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:16,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-24 18:27:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:17,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:17,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:27:17,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:20,662 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:20,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2024-11-24 18:27:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:20,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:20,683 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:20,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:20,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:20,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:20,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:20,686 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:20,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-24 18:27:21,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:21,299 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:21,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:21,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:27:21,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:24,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-24 18:27:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:24,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:24,907 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:24,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:24,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:24,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:24,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:24,910 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:24,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-24 18:27:25,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:25,477 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:25,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:25,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:27:25,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:28,551 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:28,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-24 18:27:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:29,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:29,001 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:29,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:29,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:29,001 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:29,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:29,003 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:29,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-24 18:27:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:29,516 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:29,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:29,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:27:29,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:32,632 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:32,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-24 18:27:33,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:33,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:33,225 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:33,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:33,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:33,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:33,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:33,228 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:33,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-24 18:27:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:33,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:33,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:27:33,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:37,285 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:37,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-24 18:27:37,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:37,299 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:37,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:37,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:37,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:37,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:37,301 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:37,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-24 18:27:37,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:37,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:37,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:37,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:27:37,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:41,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-24 18:27:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:41,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:41,505 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:41,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:41,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:41,506 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:41,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:41,507 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:41,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-24 18:27:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:42,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:42,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:42,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:27:42,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:45,656 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:45,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-24 18:27:45,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:45,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:45,677 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:45,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:45,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:45,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:45,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:45,678 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:45,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-24 18:27:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:46,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:46,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:27:46,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:49,827 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:49,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-24 18:27:49,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:49,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:49,845 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:49,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:49,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:49,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:49,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:49,849 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:49,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-24 18:27:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:50,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:50,452 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:27:50,453 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:53,826 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:53,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-24 18:27:53,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:53,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:53,847 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:53,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:53,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:53,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:53,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:53,851 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:53,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-24 18:27:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:54,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:54,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:27:54,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:27:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:27:58,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-24 18:27:58,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:27:58,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:27:58,095 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:27:58,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:27:58,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:27:58,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:27:58,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:27:58,097 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:27:58,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-24 18:27:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:58,664 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:27:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:27:58,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:27:58,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:01,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-24 18:28:02,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:02,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:02,279 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:02,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:02,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:02,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:02,281 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:02,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-24 18:28:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:02,755 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:02,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:28:02,787 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:06,237 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:06,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-24 18:28:06,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:06,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:06,250 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:06,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:06,251 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:06,251 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:06,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:06,252 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:06,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-24 18:28:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:06,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:06,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:06,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:28:06,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:09,517 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:09,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-24 18:28:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:09,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:09,549 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:09,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:09,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:09,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:09,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:09,551 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:09,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-24 18:28:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:09,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:09,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:28:09,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:13,337 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:13,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-24 18:28:13,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:13,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:13,351 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:13,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:13,351 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:13,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:13,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:13,353 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:13,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-24 18:28:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:13,761 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:13,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:28:13,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:17,286 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Forceful destruction successful, exit code 0 [2024-11-24 18:28:17,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:17,303 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:17,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:17,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:17,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:17,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:17,305 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:17,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-24 18:28:17,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:17,721 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:17,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:28:17,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:21,249 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:21,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-24 18:28:21,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:21,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:21,274 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:21,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:21,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:21,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:21,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:21,281 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:21,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-24 18:28:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:21,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:21,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:28:21,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:24,910 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:24,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-24 18:28:25,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:25,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:25,493 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:25,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:25,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:25,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:25,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:25,497 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:25,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-24 18:28:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:26,067 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:26,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:28:26,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:29,005 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:29,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Forceful destruction successful, exit code 0 [2024-11-24 18:28:29,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:29,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:29,048 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:29,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:29,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:29,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:29,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:29,055 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:29,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-24 18:28:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:29,523 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:29,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:28:29,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:32,912 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:32,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-24 18:28:32,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:32,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:32,942 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:32,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:32,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:32,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:32,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:32,944 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:32,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-24 18:28:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:33,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:33,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:28:33,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:36,491 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:36,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-24 18:28:36,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:36,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:36,551 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:36,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:36,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:36,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:36,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:36,555 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:36,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-24 18:28:37,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:37,046 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:37,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:37,087 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:28:37,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:40,652 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:40,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Forceful destruction successful, exit code 0 [2024-11-24 18:28:40,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:40,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:40,667 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:40,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:40,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:40,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:40,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:40,670 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:40,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-24 18:28:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:41,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:41,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:28:41,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:44,838 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:44,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Forceful destruction successful, exit code 0 [2024-11-24 18:28:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:44,857 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:44,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:44,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:44,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:44,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:44,861 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:44,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-24 18:28:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:45,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:45,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:28:45,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:48,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-24 18:28:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:49,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:49,149 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:49,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:49,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:49,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:49,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:49,154 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:49,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-24 18:28:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:49,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:49,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:28:49,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:53,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2024-11-24 18:28:53,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:53,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:53,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:53,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:53,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:53,066 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:53,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-24 18:28:53,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:53,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:53,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:28:53,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:28:57,044 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:28:57,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-24 18:28:57,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:28:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:28:57,066 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:28:57,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:28:57,066 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:28:57,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:28:57,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:28:57,069 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:28:57,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-24 18:28:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:57,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:28:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:28:57,556 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:28:57,557 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:00,690 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:00,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Forceful destruction successful, exit code 0 [2024-11-24 18:29:00,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:00,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:00,732 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:00,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:00,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:00,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:00,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:00,735 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:00,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-24 18:29:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:01,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:01,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:29:01,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:04,675 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:04,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-24 18:29:05,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:05,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:05,236 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:05,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:05,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:05,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:05,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:05,238 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:05,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-24 18:29:05,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:05,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:05,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:29:05,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:09,682 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:09,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-24 18:29:09,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:09,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:09,702 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:09,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:09,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:09,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:09,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:09,704 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:09,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-24 18:29:10,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:10,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:10,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:10,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:29:10,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:14,096 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:14,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-24 18:29:14,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:14,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:14,110 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:14,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:14,110 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:14,110 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:14,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:14,112 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:14,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-24 18:29:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:14,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:14,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:14,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:29:14,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:18,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-24 18:29:18,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:18,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:18,291 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:18,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:18,291 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:18,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:18,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:18,293 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:18,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-24 18:29:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:18,725 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:18,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:29:18,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:21,861 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:21,864 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-24 18:29:22,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:22,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:22,474 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:22,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:22,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:22,474 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:22,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:22,478 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:22,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-24 18:29:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:22,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:23,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:29:23,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:26,932 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:26,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Forceful destruction successful, exit code 0 [2024-11-24 18:29:26,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:26,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:26,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:26,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:26,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:26,948 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:26,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-24 18:29:27,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:27,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:27,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:29:27,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:31,165 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:31,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-24 18:29:31,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:31,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:31,179 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:31,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:31,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:31,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:31,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:31,180 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:31,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-24 18:29:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:31,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:31,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:29:31,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:35,599 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:35,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-24 18:29:35,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:35,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:35,616 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:35,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:35,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:35,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:35,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:35,619 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:35,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-24 18:29:36,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:36,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:36,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:29:36,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:39,673 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:39,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Forceful destruction successful, exit code 0 [2024-11-24 18:29:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:39,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:39,686 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:39,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:39,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:39,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:39,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:39,689 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:39,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-24 18:29:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:40,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:40,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:29:40,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:43,541 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:43,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-24 18:29:44,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:44,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:44,275 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:44,275 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:44,275 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:44,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:44,277 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:44,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-24 18:29:44,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:44,883 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:44,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:44,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:29:44,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:48,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-24 18:29:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:48,606 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:48,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:48,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:48,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:48,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:48,608 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:48,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-24 18:29:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:49,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:49,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:29:49,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:52,219 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:52,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-24 18:29:52,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:52,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:52,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:52,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:52,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:52,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:52,697 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:52,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-24 18:29:53,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:53,282 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:53,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:53,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:29:53,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:29:56,507 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:29:56,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-24 18:29:56,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:29:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:29:56,871 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:29:56,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:29:56,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:29:56,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:29:56,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:29:56,873 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:29:56,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-24 18:29:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:57,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:29:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:29:57,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:29:57,339 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:00,909 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:00,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-24 18:30:00,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:00,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:30:00,948 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:30:00,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:00,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:00,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:00,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:00,954 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:00,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-24 18:30:01,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:01,458 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:01,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:30:01,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:04,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2024-11-24 18:30:05,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:05,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:30:05,395 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:30:05,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:05,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:05,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:05,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:05,399 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:05,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-24 18:30:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:05,892 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:05,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:05,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:30:05,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:09,069 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:09,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-24 18:30:09,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:09,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:30:09,609 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:30:09,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:09,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:09,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:09,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:09,611 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:09,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-24 18:30:10,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:10,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:10,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:10,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:30:10,118 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:13,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-24 18:30:14,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:14,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:30:14,074 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:30:14,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:14,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:14,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:14,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:14,076 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:14,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-24 18:30:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:14,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:14,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:30:14,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:18,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-24 18:30:18,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:18,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:30:18,189 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:30:18,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:18,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:18,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:18,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:18,190 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:18,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-24 18:30:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:18,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:18,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:30:18,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:22,196 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:22,200 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-11-24 18:30:22,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:22,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:30:22,859 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:30:22,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:22,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:22,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:22,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:22,864 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:22,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-24 18:30:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:23,402 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:23,453 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:30:23,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:26,993 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:26,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-24 18:30:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:27,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:30:27,007 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:30:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:27,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:27,007 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:27,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:27,009 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:27,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-24 18:30:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:27,508 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:27,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:27,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:30:27,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:30,709 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:30,714 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-24 18:30:31,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:31,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:30:31,264 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:30:31,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:31,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:31,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:31,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:31,266 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:31,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-24 18:30:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:31,869 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:31,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:31,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:30:31,908 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:35,503 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-24 18:30:35,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:35,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:30:35,516 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:30:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:35,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:35,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:35,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:35,519 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:35,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-24 18:30:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:35,998 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:36,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:30:36,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:39,470 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:39,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Forceful destruction successful, exit code 0 [2024-11-24 18:30:39,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:39,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 61 states and 129 transitions. [2024-11-24 18:30:39,491 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 129 transitions. [2024-11-24 18:30:39,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:39,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:39,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:39,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:39,494 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:39,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-24 18:30:39,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:39,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:40,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 18:30:40,018 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:44,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-24 18:30:46,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:46,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 67 states and 171 transitions. [2024-11-24 18:30:46,379 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 171 transitions. [2024-11-24 18:30:46,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:46,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:46,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:46,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:46,384 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:46,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-24 18:30:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:46,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:46,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:46,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:30:46,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:50,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-24 18:30:50,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:50,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 67 states and 171 transitions. [2024-11-24 18:30:50,981 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 171 transitions. [2024-11-24 18:30:50,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:50,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:50,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:50,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:50,984 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:50,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-24 18:30:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:51,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:51,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:30:51,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:30:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:30:54,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-24 18:30:56,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:30:56,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 69 states and 179 transitions. [2024-11-24 18:30:56,542 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 179 transitions. [2024-11-24 18:30:56,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:30:56,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:30:56,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:30:56,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:30:56,547 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:30:56,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-24 18:30:57,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:57,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:30:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:30:57,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:30:57,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:00,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-24 18:31:01,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:01,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:01,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:01,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:01,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:01,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:01,663 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:01,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-24 18:31:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:02,226 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:02,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:31:02,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:05,274 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:05,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-24 18:31:06,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:06,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:06,195 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:06,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:06,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:06,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:06,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:06,201 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:06,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-24 18:31:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:06,732 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:06,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:31:06,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:09,981 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-24 18:31:10,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:10,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:10,940 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:10,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:10,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:10,941 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:10,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:10,942 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:10,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-24 18:31:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:11,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:11,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:31:11,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:15,224 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:15,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-24 18:31:15,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:15,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:15,240 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:15,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:15,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:15,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:15,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:15,242 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:15,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-24 18:31:15,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:15,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:15,703 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:31:15,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:19,599 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:19,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-24 18:31:19,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:19,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:19,627 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:19,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:19,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:19,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:19,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:19,629 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:19,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-24 18:31:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:20,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:20,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:31:20,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:24,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Forceful destruction successful, exit code 0 [2024-11-24 18:31:24,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:24,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:24,048 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:24,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:24,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:24,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:24,050 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:24,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-24 18:31:24,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:24,532 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:24,570 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:31:24,571 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:28,067 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:28,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-24 18:31:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:28,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:28,678 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:28,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:28,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:28,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:28,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:28,680 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:28,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-24 18:31:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:29,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:29,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:31:29,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:33,106 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:33,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-24 18:31:33,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:33,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:33,128 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:33,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:33,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:33,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:33,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:33,129 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:33,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-24 18:31:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:33,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:33,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:33,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:31:33,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:37,171 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:37,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-24 18:31:37,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:37,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:37,974 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:37,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:37,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:37,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:37,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:37,978 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:37,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-24 18:31:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:38,518 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:38,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:31:38,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:41,934 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:41,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Forceful destruction successful, exit code 0 [2024-11-24 18:31:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:42,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:42,715 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:42,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:42,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:42,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:42,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:42,718 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:42,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-24 18:31:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:43,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:43,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:31:43,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:46,354 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:46,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-24 18:31:47,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:47,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:47,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:47,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:47,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:47,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:47,145 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:47,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-24 18:31:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:47,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:47,799 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:31:47,800 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:50,976 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:50,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-24 18:31:51,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:51,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:51,029 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:51,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:51,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:51,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:51,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:51,032 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:51,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-24 18:31:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:51,508 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:51,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:31:51,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:54,540 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:54,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-24 18:31:54,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:54,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:54,586 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:54,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:54,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:54,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:54,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:54,589 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:54,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-24 18:31:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:55,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:55,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:55,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:31:55,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:31:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:31:58,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-24 18:31:58,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:31:58,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:31:58,793 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:31:58,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:31:58,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:31:58,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:31:58,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:31:58,795 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:31:58,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-24 18:31:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:59,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:31:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:31:59,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:31:59,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:32:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:32:02,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-24 18:32:03,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:32:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:32:03,569 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:32:03,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:32:03,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:32:03,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:32:03,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:32:03,570 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:32:03,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-24 18:32:04,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:32:04,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:32:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:32:04,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:32:04,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:32:07,641 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:32:07,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Forceful destruction successful, exit code 0 [2024-11-24 18:32:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:32:07,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:32:07,671 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:32:07,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:32:07,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:32:07,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:32:07,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:32:07,675 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:32:07,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-24 18:32:08,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:32:08,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:32:08,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:32:08,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:32:08,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:32:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:32:12,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-24 18:32:12,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:32:12,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:32:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:32:12,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:32:12,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:32:12,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:32:12,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:32:12,168 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:32:12,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-24 18:32:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:32:12,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:32:12,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:32:12,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-24 18:32:12,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:32:16,127 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:32:16,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Forceful destruction successful, exit code 0 [2024-11-24 18:32:17,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:32:17,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:32:17,043 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:32:17,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:32:17,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:32:17,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:32:17,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:32:17,047 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:32:17,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-24 18:32:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:32:17,647 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:32:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:32:17,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:32:17,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 18:32:21,340 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 53 proven. 12 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-24 18:32:21,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (240)] Forceful destruction successful, exit code 0 [2024-11-24 18:32:21,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:32:21,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 71 states and 195 transitions. [2024-11-24 18:32:21,367 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 195 transitions. [2024-11-24 18:32:21,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-24 18:32:21,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:32:21,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 18:32:21,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-24 18:32:21,371 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 18:32:21,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9e483945-37df-4b97-b048-860153acad8f/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-24 18:32:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:32:21,915 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-24 18:32:21,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:32:21,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 18:32:21,954 INFO L279 TraceCheckSpWp]: Computing forward predicates...