./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.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_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/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_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/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_26c62b6d-786b-4de9-af36-936974c2fe75/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 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:40:23,588 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:40:23,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:40:23,668 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:40:23,668 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:40:23,701 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:40:23,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:40:23,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:40:23,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:40:23,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:40:23,703 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:40:23,703 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:40:23,703 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:40:23,703 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:40:23,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:40:23,704 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:40:23,704 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:40:23,704 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:40:23,704 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:40:23,704 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:40:23,704 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:40:23,704 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:40:23,704 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:40:23,704 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:40:23,705 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:40:23,705 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:40:23,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:40:23,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:40:23,705 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:40:23,705 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:40:23,705 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:40:23,705 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:40:23,705 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:40:23,705 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_26c62b6d-786b-4de9-af36-936974c2fe75/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 -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-11-25 03:40:24,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:40:24,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:40:24,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:40:24,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:40:24,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:40:24,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-25 03:40:27,114 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/data/43eb35b1f/5b1fb1d990cc46dba8d2a62f17a27cef/FLAG06c96098d [2024-11-25 03:40:27,426 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:40:27,427 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-25 03:40:27,434 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/data/43eb35b1f/5b1fb1d990cc46dba8d2a62f17a27cef/FLAG06c96098d [2024-11-25 03:40:27,449 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/data/43eb35b1f/5b1fb1d990cc46dba8d2a62f17a27cef [2024-11-25 03:40:27,451 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:40:27,452 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:40:27,454 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:40:27,454 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:40:27,458 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:40:27,459 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,460 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1062051d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27, skipping insertion in model container [2024-11-25 03:40:27,460 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:40:27,639 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_26c62b6d-786b-4de9-af36-936974c2fe75/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-25 03:40:27,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:40:27,695 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:40:27,707 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_26c62b6d-786b-4de9-af36-936974c2fe75/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-25 03:40:27,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:40:27,749 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:40:27,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27 WrapperNode [2024-11-25 03:40:27,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:40:27,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:40:27,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:40:27,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:40:27,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,799 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 81 [2024-11-25 03:40:27,804 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:40:27,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:40:27,805 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:40:27,805 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:40:27,817 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,824 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,844 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,850 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:40:27,851 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:40:27,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:40:27,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:40:27,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:27" (1/1) ... [2024-11-25 03:40:27,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:40:27,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:40:27,893 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:40:27,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:40:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:40:27,924 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:40:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:40:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:40:27,926 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:40:27,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:40:27,988 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:40:27,990 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:40:28,209 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 03:40:28,209 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:40:28,369 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:40:28,369 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:40:28,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:28 BoogieIcfgContainer [2024-11-25 03:40:28,370 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:40:28,371 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:40:28,371 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:40:28,381 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:40:28,382 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:28" (1/1) ... [2024-11-25 03:40:28,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:40:28,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:28,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-25 03:40:28,451 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-25 03:40:28,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:28,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:28,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:40:28,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:40:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:40:28,715 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:40:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:40:28,818 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 03:40:28,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:40:28 ImpRootNode [2024-11-25 03:40:28,851 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:40:28,852 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:40:28,852 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:40:28,852 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:40:28,853 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:28" (3/4) ... [2024-11-25 03:40:28,855 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 03:40:28,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:40:28,857 INFO L158 Benchmark]: Toolchain (without parser) took 1404.97ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 79.7MB in the end (delta: 4.2MB). Peak memory consumption was 3.9MB. Max. memory is 16.1GB. [2024-11-25 03:40:28,858 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:28,858 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.49ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 72.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:40:28,859 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.19ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 70.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:28,859 INFO L158 Benchmark]: Boogie Preprocessor took 45.80ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 69.1MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:40:28,859 INFO L158 Benchmark]: RCFGBuilder took 519.03ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 43.6MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:40:28,860 INFO L158 Benchmark]: CodeCheck took 480.73ms. Allocated memory is still 117.4MB. Free memory was 43.6MB in the beginning and 80.3MB in the end (delta: -36.7MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. [2024-11-25 03:40:28,860 INFO L158 Benchmark]: Witness Printer took 4.60ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.7MB in the end (delta: 615.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:40:28,863 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, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, 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, 25 NumberOfCodeBlocks, 25 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 56, overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of bitwiseAnd at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -16; [L23] signed long int var_1_6 = 10; [L24] unsigned char var_1_8 = 0; [L25] unsigned char var_1_9 = 4; [L26] float var_1_10 = 15.5; [L27] float var_1_11 = 99.125; [L28] signed short int var_1_12 = 2; [L29] signed long int last_1_var_1_1 = -16; [L60] isInitial = 1 [L61] FCALL initially() [L63] CALL updateLastVariables() [L53] last_1_var_1_1 = var_1_1 [L63] RET updateLastVariables() [L64] CALL updateVariables() [L42] var_1_6 = __VERIFIER_nondet_long() [L43] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=4] [L44] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=4] [L45] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=4] [L46] var_1_9 = __VERIFIER_nondet_uchar() [L47] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0] [L48] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=2] [L49] var_1_11 = __VERIFIER_nondet_float() [L50] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=2] [L64] RET updateVariables() [L65] CALL step() [L33] var_1_8 = var_1_9 [L34] var_1_10 = var_1_11 [L35] var_1_12 = var_1_9 [L36] EXPR var_1_8 & (var_1_12 * var_1_8) [L36] signed long int stepLocal_0 = var_1_8 & (var_1_12 * var_1_8); [L37] COND TRUE stepLocal_0 < (last_1_var_1_1 / var_1_6) [L38] var_1_1 = (var_1_8 + 256) [L65] RET step() [L66] CALL, EXPR property() [L56] EXPR var_1_8 & (var_1_12 * var_1_8) [L56-L57] return (((((var_1_8 & (var_1_12 * var_1_8)) < (last_1_var_1_1 / var_1_6)) ? (var_1_1 == ((signed long int) (var_1_8 + 256))) : 1) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((float) var_1_11))) && (var_1_12 == ((signed short int) var_1_9)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=2, var_1_1=258, var_1_6=-5, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=2, var_1_1=258, var_1_6=-5, var_1_8=2, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 167.8MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.49ms. Allocated memory is still 117.4MB. Free memory was 83.9MB in the beginning and 72.4MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.19ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 70.4MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.80ms. Allocated memory is still 117.4MB. Free memory was 70.4MB in the beginning and 69.1MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 519.03ms. Allocated memory is still 117.4MB. Free memory was 69.1MB in the beginning and 43.6MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 480.73ms. Allocated memory is still 117.4MB. Free memory was 43.6MB in the beginning and 80.3MB in the end (delta: -36.7MB). Peak memory consumption was 24.0MB. Max. memory is 16.1GB. * Witness Printer took 4.60ms. Allocated memory is still 117.4MB. Free memory was 80.3MB in the beginning and 79.7MB in the end (delta: 615.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 03:40:28,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/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_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/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_26c62b6d-786b-4de9-af36-936974c2fe75/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 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:40:31,707 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:40:31,887 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 03:40:31,949 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:40:31,951 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:40:31,951 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:40:31,952 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:40:31,952 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:40:31,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:40:31,953 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:40:31,954 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:40:31,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:40:31,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:40:31,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:40:31,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:40:31,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:40:31,955 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 03:40:31,955 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 03:40:31,955 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 03:40:31,955 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:40:31,955 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:40:31,955 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:40:31,955 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:40:31,955 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:40:31,955 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:40:31,955 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:40:31,955 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:31,955 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 03:40:31,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:40:31,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:40:31,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:40:31,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:40:31,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:40:31,958 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 03:40:31,959 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:31,959 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 03:40:31,959 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_26c62b6d-786b-4de9-af36-936974c2fe75/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 -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-11-25 03:40:32,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:40:32,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:40:32,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:40:32,457 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:40:32,460 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:40:32,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-25 03:40:35,711 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/data/650f62185/59b48327753b4a1c9df8efdb374a703e/FLAG5c3cc2b2f [2024-11-25 03:40:35,991 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:40:35,991 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-11-25 03:40:35,998 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/data/650f62185/59b48327753b4a1c9df8efdb374a703e/FLAG5c3cc2b2f [2024-11-25 03:40:36,013 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/data/650f62185/59b48327753b4a1c9df8efdb374a703e [2024-11-25 03:40:36,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:40:36,018 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:40:36,019 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:40:36,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:40:36,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:40:36,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184bdc18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36, skipping insertion in model container [2024-11-25 03:40:36,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:40:36,183 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_26c62b6d-786b-4de9-af36-936974c2fe75/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-25 03:40:36,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:40:36,231 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:40:36,243 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_26c62b6d-786b-4de9-af36-936974c2fe75/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-11-25 03:40:36,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:40:36,282 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:40:36,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36 WrapperNode [2024-11-25 03:40:36,282 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:40:36,283 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:40:36,283 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:40:36,283 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:40:36,289 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,297 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,322 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 63 [2024-11-25 03:40:36,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:40:36,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:40:36,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:40:36,326 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:40:36,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,342 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,343 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,349 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,350 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,353 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:40:36,354 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:40:36,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:40:36,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:40:36,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:40:36,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:40:36,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:40:36,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:40:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:40:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 03:40:36,438 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:40:36,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:40:36,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:40:36,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:40:36,535 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:40:36,538 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:40:36,824 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-25 03:40:36,825 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:40:36,903 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:40:36,904 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:40:36,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:36 BoogieIcfgContainer [2024-11-25 03:40:36,904 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:40:36,905 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:40:36,905 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:40:36,917 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:40:36,917 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:40:36" (1/1) ... [2024-11-25 03:40:36,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:40:36,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:36,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-11-25 03:40:36,976 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-11-25 03:40:36,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:36,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:36,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:36,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:36,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:36,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 03:40:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:37,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:37,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:37,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:37,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:38,344 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:38,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 03:40:38,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:38,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:38,732 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:38,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:38,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:38,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:38,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:38,737 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:38,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 03:40:39,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:39,025 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:39,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:39,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:39,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:39,699 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:39,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-25 03:40:39,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:39,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:39,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:39,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:39,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:39,726 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:39,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 03:40:40,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:40,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:40,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:40,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:40,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:40,846 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:40,850 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 03:40:40,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 03:40:40,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:40,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:40,858 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:40,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:40,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:40,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:40,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:40,861 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:40,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 03:40:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:41,182 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:41,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:41,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:41,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 03:40:41,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:41,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:41,792 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:41,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:41,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:41,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:41,797 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:41,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 03:40:42,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:42,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:42,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:42,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:42,684 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:42,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-25 03:40:42,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:42,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:42,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:42,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:42,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:42,703 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:42,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 03:40:43,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:43,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:43,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:43,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:43,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 03:40:43,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:43,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:43,678 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:43,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:43,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:43,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:43,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:43,682 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:43,685 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 03:40:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:44,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:44,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:44,137 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:44,581 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:44,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 03:40:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:44,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:44,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:44,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:44,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:44,602 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:44,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 03:40:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:44,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:45,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:45,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:45,419 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:45,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 03:40:45,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:45,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:45,430 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:45,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:45,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:45,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:45,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:45,433 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:45,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 03:40:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:45,732 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:45,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:45,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:45,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:46,212 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:46,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 03:40:46,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:46,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:46,219 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:46,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:46,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:46,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:46,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:46,224 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:46,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 03:40:46,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:46,476 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:46,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:46,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:46,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 03:40:46,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:46,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:46,942 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:46,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:46,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:46,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:46,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:46,946 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:46,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 03:40:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:47,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:47,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:47,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:47,772 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:47,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-25 03:40:47,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:47,779 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:47,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:47,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:47,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:47,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:47,787 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:47,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 03:40:48,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:48,062 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:48,113 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:48,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:48,482 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:48,485 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 03:40:48,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:48,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:48,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:48,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:48,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:48,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:48,495 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:48,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 03:40:48,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:48,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:48,802 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:48,804 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:49,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Forceful destruction successful, exit code 0 [2024-11-25 03:40:49,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:49,189 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:49,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:49,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:49,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:49,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:49,195 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:49,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 03:40:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:49,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:49,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:49,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:49,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:49,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 03:40:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:49,912 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:49,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:49,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:49,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:49,915 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:49,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 03:40:50,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:50,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:50,280 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:50,281 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:50,697 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:50,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-25 03:40:50,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:50,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:50,712 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:50,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:50,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:50,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:50,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:50,717 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:50,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 03:40:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:51,025 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:51,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:51,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:51,405 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:51,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-25 03:40:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:51,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:51,413 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:51,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:51,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:51,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:51,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:51,416 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:51,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 03:40:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:51,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:51,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:51,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:52,132 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:52,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-25 03:40:52,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:52,144 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:52,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:52,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:52,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:52,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:52,149 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:52,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 03:40:52,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:52,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:52,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:52,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:52,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:52,818 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:52,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 03:40:52,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:52,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:52,825 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:52,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:52,826 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:52,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:52,832 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:52,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 03:40:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:53,104 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:53,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:53,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:53,489 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:53,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 03:40:53,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:53,495 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:53,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:53,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:53,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:53,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:53,500 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:53,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 03:40:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:53,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:53,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:53,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:53,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:54,215 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:54,218 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-25 03:40:54,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:54,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:54,221 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:54,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:54,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:54,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:54,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:54,226 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:54,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 03:40:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:54,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:54,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:54,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:54,841 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:54,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 03:40:54,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:54,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:54,847 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:54,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:54,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:54,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:54,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:54,852 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:54,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 03:40:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:55,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:55,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:55,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:55,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-25 03:40:55,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:55,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:55,641 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:55,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:55,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:55,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:55,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:55,646 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:55,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 03:40:55,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:55,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:55,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:55,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:56,253 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:56,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-25 03:40:56,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:56,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:56,258 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:56,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:56,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:56,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:56,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:56,260 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:56,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 03:40:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:56,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:56,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:56,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:56,881 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:56,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-25 03:40:56,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:56,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:56,887 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:56,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:56,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:56,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:56,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:56,890 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:56,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 03:40:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:57,115 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:57,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:57,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:57,417 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:57,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Forceful destruction successful, exit code 0 [2024-11-25 03:40:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:57,423 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:57,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:57,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:57,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:57,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:57,425 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:57,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 03:40:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:57,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:57,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:57,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:58,025 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:58,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 03:40:58,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:58,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:58,031 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:58,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:58,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:58,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:58,035 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:58,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 03:40:58,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:58,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:58,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:58,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:58,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:58,602 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:58,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 03:40:58,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:58,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:58,609 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:58,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:58,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:58,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:58,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:58,611 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:58,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 03:40:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:58,875 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:58,920 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:58,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:59,198 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:59,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 03:40:59,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:59,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:59,204 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:59,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:59,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:59,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:59,207 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:59,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 03:40:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:59,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:40:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:40:59,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:40:59,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:40:59,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:40:59,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-11-25 03:40:59,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:40:59,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-11-25 03:40:59,829 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-11-25 03:40:59,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:40:59,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:40:59,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:40:59,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:40:59,831 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:40:59,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-25 03:41:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:00,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:00,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:41:00,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:00,563 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:41:00,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-25 03:41:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:00,784 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:00,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:00,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:00,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:00,790 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:00,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-25 03:41:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:01,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:01,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:01,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:01,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:01,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:01,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:01,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:01,423 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:01,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:01,423 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:01,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:01,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:01,427 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:01,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-25 03:41:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:01,681 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:01,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:01,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:02,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:02,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:02,128 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:02,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:02,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:02,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:02,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:02,130 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:02,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-25 03:41:02,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:02,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:02,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:02,434 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:02,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:02,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-25 03:41:02,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:02,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:02,748 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:02,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:02,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:02,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:02,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:02,751 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:02,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-25 03:41:03,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:03,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:03,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:03,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:03,367 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:03,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (35)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:03,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:03,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:03,377 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:03,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:03,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:03,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:03,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:03,382 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:03,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-25 03:41:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:03,644 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:03,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:03,721 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:03,722 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:04,021 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:04,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-25 03:41:04,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:04,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:04,027 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:04,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:04,027 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:04,028 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:04,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:04,030 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:04,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-25 03:41:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:04,291 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:04,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:04,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:04,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-25 03:41:04,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:04,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:04,687 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:04,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:04,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:04,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:04,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:04,690 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:04,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-25 03:41:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:04,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:05,014 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:05,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:05,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:05,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:05,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:05,323 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:05,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:05,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:05,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:05,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:05,326 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:05,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-25 03:41:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:05,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:05,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:05,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:05,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:06,064 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:06,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-25 03:41:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:06,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:06,069 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:06,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:06,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:06,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:06,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:06,071 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:06,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-25 03:41:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:06,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:06,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:06,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:06,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:06,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-25 03:41:06,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:06,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:06,662 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:06,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:06,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:06,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:06,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:06,664 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:06,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-25 03:41:06,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:06,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:06,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:06,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:07,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:07,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-25 03:41:07,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:07,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:07,306 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:07,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:07,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:07,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:07,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:07,312 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:07,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-25 03:41:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:07,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:07,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:07,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:07,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:07,848 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:07,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-25 03:41:07,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:07,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:07,854 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:07,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:07,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:07,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:07,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:07,856 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:07,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-25 03:41:08,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:08,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:08,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:08,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:08,446 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:08,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-25 03:41:08,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:08,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:08,452 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:08,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:08,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:08,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:08,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:08,455 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:08,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-25 03:41:08,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:08,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:08,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:08,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:08,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:09,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (44)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:09,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:09,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:09,093 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:09,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:09,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:09,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:09,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:09,095 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:09,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-25 03:41:09,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:09,357 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:09,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:09,422 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:41:09,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:41:09,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-25 03:41:09,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:09,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:09,700 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:09,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:09,700 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:09,700 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:09,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:09,702 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:09,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-25 03:41:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:09,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:09,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:09,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:10,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:10,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-25 03:41:10,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:10,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:10,348 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:10,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:10,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:10,349 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:10,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:10,350 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:10,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-25 03:41:10,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:10,616 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:10,701 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:10,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:11,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-25 03:41:11,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:11,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:11,037 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:11,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:11,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:11,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:11,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:11,041 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:11,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-25 03:41:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:11,336 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:11,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:11,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:11,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (48)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:11,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:11,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:11,815 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:11,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:11,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:11,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:11,818 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:11,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-25 03:41:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:12,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:12,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:12,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:12,558 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:12,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (49)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:12,565 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:12,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:12,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:12,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:12,570 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:12,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-25 03:41:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:12,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:12,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:41:12,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:41:13,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-11-25 03:41:13,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:13,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:13,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:13,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:13,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:13,204 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:13,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-25 03:41:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:13,495 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:13,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:13,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:13,921 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:13,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-11-25 03:41:13,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:13,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:13,928 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:13,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:13,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:13,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:13,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:13,931 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:13,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-25 03:41:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:14,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:14,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:14,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:14,698 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:14,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-11-25 03:41:14,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:14,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:14,708 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:14,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:14,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:14,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:14,711 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:14,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-25 03:41:15,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:15,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:15,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:15,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:15,386 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:15,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (53)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:15,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:15,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:15,393 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:15,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:15,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:15,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:15,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:15,395 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:15,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-25 03:41:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:15,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:15,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:15,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:16,119 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:16,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:16,127 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:16,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:16,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:16,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:16,130 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:16,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-25 03:41:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:16,427 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:16,486 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:16,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:16,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (55)] Ended with exit code 0 [2024-11-25 03:41:16,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:16,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:16,811 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:16,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:16,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:16,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:16,814 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:16,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-25 03:41:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:17,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:17,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:17,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:17,527 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:17,530 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (56)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:17,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:17,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:17,534 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:17,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:17,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:17,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:17,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:17,536 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:17,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-25 03:41:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:17,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:17,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:17,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:17,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:18,241 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:18,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-11-25 03:41:18,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:18,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:18,247 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:18,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:18,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:18,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:18,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:18,250 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:18,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-25 03:41:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:18,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:18,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:18,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:18,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:18,909 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:18,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-25 03:41:18,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:18,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:18,916 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:18,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:18,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:18,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:18,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:18,919 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:18,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-25 03:41:19,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:19,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:19,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:19,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:19,661 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:19,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-11-25 03:41:19,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:19,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:19,667 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:19,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:19,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:19,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:19,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:19,671 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:19,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-25 03:41:19,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:19,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:20,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:20,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:20,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (60)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:20,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:20,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:20,389 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:20,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:20,390 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:20,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:20,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:20,394 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:20,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-25 03:41:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:20,664 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:20,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:20,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:21,121 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:21,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-25 03:41:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:21,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:21,132 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:21,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:21,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:21,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:21,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:21,138 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:21,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-25 03:41:21,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:21,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:21,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:21,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:21,877 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:21,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-11-25 03:41:21,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:21,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:21,888 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:21,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:21,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:21,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:21,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:21,893 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:21,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-25 03:41:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:22,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:22,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:22,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:22,737 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:22,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-11-25 03:41:22,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:22,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:22,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:22,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:22,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:22,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:22,746 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:22,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-25 03:41:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:23,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:23,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:23,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:23,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-25 03:41:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:23,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:23,446 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:23,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:23,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:23,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:23,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:23,449 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:23,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-25 03:41:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:23,742 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:23,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:23,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:24,152 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:24,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-25 03:41:24,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:24,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:24,164 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:24,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:24,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:24,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:24,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:24,167 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:24,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-25 03:41:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:24,469 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:24,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:24,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:24,927 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:24,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (66)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:24,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:24,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:24,935 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:24,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:24,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:24,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:24,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:24,940 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:24,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-25 03:41:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:25,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:25,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:41:25,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:25,700 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:41:25,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (67)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:25,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:25,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:25,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:25,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:25,709 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:25,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-25 03:41:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:26,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:26,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:26,064 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:41:26,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:41:26,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-11-25 03:41:26,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:26,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:26,318 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:26,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:26,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:26,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:26,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:26,320 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:26,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-25 03:41:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:26,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:26,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:26,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:27,045 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:27,048 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:27,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:27,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:27,051 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:27,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:27,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:27,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:27,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:27,054 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:27,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-25 03:41:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:27,331 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:27,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:27,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:27,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:27,738 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:27,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (70)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:27,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:27,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:27,743 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:27,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:27,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:27,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:27,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:27,745 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:27,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-25 03:41:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:28,020 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:28,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:28,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:28,458 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:28,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-25 03:41:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:28,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:28,463 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:28,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:28,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:28,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:28,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:28,466 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:28,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-25 03:41:28,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:28,803 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:28,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:28,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:29,206 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:29,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (72)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:29,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:29,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:29,212 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:29,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:29,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:29,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:29,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:29,216 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:29,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-25 03:41:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:29,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:29,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:29,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:29,905 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:29,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-11-25 03:41:29,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:29,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:29,911 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:29,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:29,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:29,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:29,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:29,914 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:29,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-25 03:41:30,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:30,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:30,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:30,242 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:30,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:30,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (74)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:30,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:30,615 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:30,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:30,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:30,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:30,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:30,618 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:30,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-25 03:41:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:30,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:30,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:41:30,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:31,226 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:41:31,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (75)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:31,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:31,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:31,233 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:31,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:31,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:31,233 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:31,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:31,235 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:31,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-25 03:41:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:31,564 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:31,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:31,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:41:31,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:31,927 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:41:31,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-25 03:41:31,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:31,939 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:31,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:31,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:31,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:31,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:31,943 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:31,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-25 03:41:32,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:32,257 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:32,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:32,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:32,651 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:32,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:32,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:32,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:32,656 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:32,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:32,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:32,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:32,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:32,659 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:32,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-25 03:41:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:32,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:33,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:33,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:33,347 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:33,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-25 03:41:33,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:33,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:33,353 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:33,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:33,354 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:33,354 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:33,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:33,357 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:33,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-25 03:41:33,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:33,635 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:33,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:41:33,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:33,951 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:41:33,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-25 03:41:33,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:33,960 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:33,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:33,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:33,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:33,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:33,965 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:33,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-25 03:41:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:34,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:34,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:41:34,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:41:34,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-25 03:41:34,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:34,599 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:34,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:34,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:34,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:34,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:34,603 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:34,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-25 03:41:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:34,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:34,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:34,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:34,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:35,259 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:35,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (81)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:35,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:35,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:35,267 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:35,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:35,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:35,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:35,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:35,269 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:35,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-25 03:41:35,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:35,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:35,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:35,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:35,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:36,055 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:36,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-25 03:41:36,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:36,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:36,061 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:36,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:36,062 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:36,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:36,064 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:36,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-25 03:41:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:36,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:36,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:36,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:36,778 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:36,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-25 03:41:36,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:36,785 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:36,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:36,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:36,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:36,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:36,788 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:36,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-25 03:41:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:37,088 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:37,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:37,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:37,476 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:37,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-25 03:41:37,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:37,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:37,482 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:37,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:37,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:37,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:37,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:37,485 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:37,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-25 03:41:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:37,775 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:37,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:37,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:38,292 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:38,296 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (85)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:38,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:38,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:38,299 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:38,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:38,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:38,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:38,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:38,303 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:38,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-25 03:41:38,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:38,622 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:38,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:38,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:38,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (86)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:38,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:38,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:38,997 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:38,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:38,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:38,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:38,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:39,000 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:39,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-25 03:41:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:39,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:39,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:39,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:39,791 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:39,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-25 03:41:39,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:39,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:39,802 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:39,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:39,802 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:39,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:39,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:39,805 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:39,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-25 03:41:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:40,100 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:40,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:40,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:40,472 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:40,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-25 03:41:40,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:40,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:40,479 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:40,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:40,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:40,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:40,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:40,483 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:40,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-25 03:41:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:40,762 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:40,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:40,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:41,167 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:41,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-25 03:41:41,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:41,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:41,172 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:41,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:41,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:41,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:41,174 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:41,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-25 03:41:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:41,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:41,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:41,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:41,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:41,716 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:41,719 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (90)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:41,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:41,723 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:41,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:41,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:41,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:41,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:41,725 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:41,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-25 03:41:41,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:41,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:42,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:42,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:42,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:42,310 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:42,312 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-25 03:41:42,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:42,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:42,316 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:42,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:42,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:42,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:42,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:42,317 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:42,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-25 03:41:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:42,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:42,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:42,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:42,891 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:42,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (92)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:42,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:42,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:42,896 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:42,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:42,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:42,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:42,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:42,898 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:42,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-25 03:41:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:43,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:43,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:43,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:43,511 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:43,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (93)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:43,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:43,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:43,517 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:43,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:43,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:43,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:43,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:43,520 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:43,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-25 03:41:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:43,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:43,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:43,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:44,149 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:44,152 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:44,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:44,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:44,155 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:44,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:44,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:44,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:44,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:44,157 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:44,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-25 03:41:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:44,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:44,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:44,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:44,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:44,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-25 03:41:44,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:44,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:44,803 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:44,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:44,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:44,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:44,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:44,804 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:44,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-25 03:41:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:45,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:45,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:45,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:45,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-25 03:41:45,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:45,479 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:45,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:45,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:45,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:45,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:45,483 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:45,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-25 03:41:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:45,815 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:45,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:45,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:45,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:46,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:46,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (97)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:46,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:46,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:46,257 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:46,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:46,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:46,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:46,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:46,261 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:46,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-25 03:41:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:46,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:46,590 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:46,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:46,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:46,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:46,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:46,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:46,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:46,992 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:46,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-25 03:41:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:47,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:47,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:47,347 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:47,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (99)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:47,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:47,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:47,666 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:47,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:47,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:47,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:47,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:47,668 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:47,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-25 03:41:47,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:47,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:48,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:48,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:48,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:48,368 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:48,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-11-25 03:41:48,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:48,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:48,376 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:48,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:48,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:48,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:48,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:48,378 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:48,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-25 03:41:48,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:48,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:48,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:48,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:48,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:49,135 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:49,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-11-25 03:41:49,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:49,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:49,145 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:49,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:49,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:49,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:49,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:49,148 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:49,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-25 03:41:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:49,449 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:49,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:49,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:49,897 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:49,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-25 03:41:49,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:49,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:49,903 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:49,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:49,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:49,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:49,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:49,905 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:49,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-25 03:41:50,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:50,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:50,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:50,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:50,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:50,681 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:50,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-25 03:41:50,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:50,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:50,688 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:50,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:50,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:50,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:50,691 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:50,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-25 03:41:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:50,991 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:51,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:51,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:51,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:51,338 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:51,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:51,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:51,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:51,346 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:51,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:51,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:51,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:51,348 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:51,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-25 03:41:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:51,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:51,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:51,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:52,004 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:52,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-25 03:41:52,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:52,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:52,011 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:52,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:52,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:52,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:52,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:52,013 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:52,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-25 03:41:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:52,335 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:52,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:52,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:52,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:52,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (106)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:52,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:52,878 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:52,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:52,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:52,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:52,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:52,880 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:52,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-25 03:41:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:53,196 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:53,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:53,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:53,649 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:53,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-25 03:41:53,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:53,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:53,656 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:53,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:53,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:53,656 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:53,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:53,658 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:53,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-25 03:41:54,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:54,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:54,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:54,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:54,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-25 03:41:54,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:54,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:54,462 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:54,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:54,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:54,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:54,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:54,464 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:54,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-25 03:41:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:54,840 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:54,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:54,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:55,276 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:55,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (109)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:55,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:55,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:55,283 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:55,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:55,283 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:55,283 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:55,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:55,287 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:55,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-25 03:41:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:55,649 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:55,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:55,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:55,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:56,173 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:56,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-25 03:41:56,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:56,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:56,179 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:56,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:56,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:56,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:56,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:56,181 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:56,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-25 03:41:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:56,558 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:56,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:56,610 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:56,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:56,946 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:56,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (111)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:56,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:56,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:56,952 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:56,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:56,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:56,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:56,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:56,955 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:56,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-25 03:41:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:57,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:57,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:57,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:57,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:57,724 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:57,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:57,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:57,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:57,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:57,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:57,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:57,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:57,734 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:57,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-25 03:41:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:58,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:58,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:58,148 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:58,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:58,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:58,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-11-25 03:41:58,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:58,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:58,530 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:58,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:58,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:58,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:58,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:58,533 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:58,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-25 03:41:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:58,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:58,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:58,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:41:59,273 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:41:59,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-25 03:41:59,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:59,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:41:59,279 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:41:59,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:41:59,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:59,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:41:59,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:41:59,283 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:41:59,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-25 03:41:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:59,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:41:59,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:59,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:41:59,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:00,046 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:00,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:00,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:00,052 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:00,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:00,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:00,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:00,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:00,055 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:00,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-25 03:42:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:00,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:00,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:00,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:00,851 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:00,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-11-25 03:42:00,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:00,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:00,858 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:00,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:00,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:00,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:00,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:00,862 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:00,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-25 03:42:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:01,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:01,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:01,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:01,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:01,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:01,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:01,642 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:01,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:01,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:01,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:01,644 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:01,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-25 03:42:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:01,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:02,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:02,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:02,354 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:02,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:02,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:02,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:02,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:02,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:02,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:02,363 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:02,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-25 03:42:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:02,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:02,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:02,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:03,110 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:03,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (119)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:03,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:03,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:03,116 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:03,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:03,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:03,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:03,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:03,119 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:03,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-25 03:42:03,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:03,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:03,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:03,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:03,494 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:03,799 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:03,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:03,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:03,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:03,804 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:03,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:03,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:03,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:03,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:03,807 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:03,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-25 03:42:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:04,105 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:04,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:04,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:04,477 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:04,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:04,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:04,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:04,482 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:04,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:04,482 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:04,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:04,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:04,484 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:04,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-25 03:42:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:04,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:04,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:04,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:05,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-25 03:42:05,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:05,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:05,236 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:05,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:05,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:05,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:05,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:05,239 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:05,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-25 03:42:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:05,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:05,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:05,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:06,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (123)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:06,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:06,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:06,118 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:06,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:06,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:06,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:06,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:06,122 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:06,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-25 03:42:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:06,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:06,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:06,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:42:06,496 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:06,770 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:42:06,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-25 03:42:06,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:06,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:06,776 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:06,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:06,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:06,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:06,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:06,779 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:06,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-25 03:42:07,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:07,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:07,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:42:07,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:07,476 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:42:07,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-11-25 03:42:07,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:07,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:07,483 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:07,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:07,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:07,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:07,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:07,485 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:07,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-25 03:42:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:07,824 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:07,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:07,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:08,224 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:08,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (126)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:08,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:08,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:08,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:08,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:08,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:08,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:08,233 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:08,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-25 03:42:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:08,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:08,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:08,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:09,055 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:09,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (127)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:09,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:09,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:09,064 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:09,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:09,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:09,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:09,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:09,071 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:09,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-25 03:42:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:09,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:09,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:09,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:09,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-11-25 03:42:09,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:09,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:09,917 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:09,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:09,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:09,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:09,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:09,921 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:09,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-25 03:42:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:10,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:10,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:10,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:10,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:10,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (129)] Ended with exit code 0 [2024-11-25 03:42:10,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:10,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:10,654 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:10,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:10,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:10,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:10,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:10,657 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:10,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-25 03:42:10,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:10,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:11,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:11,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:11,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:11,399 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:11,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (130)] Ended with exit code 0 [2024-11-25 03:42:11,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:11,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:11,407 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:11,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:11,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:11,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:11,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:11,409 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:11,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-25 03:42:11,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:11,736 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:11,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:11,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:12,143 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:12,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-25 03:42:12,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:12,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:12,150 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:12,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:12,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:12,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:12,153 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:12,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-25 03:42:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:12,450 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:12,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:12,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:12,881 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:12,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-11-25 03:42:12,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:12,886 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:12,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:12,887 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:12,887 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:12,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:12,889 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:12,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-25 03:42:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:13,240 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:13,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:13,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:13,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:13,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-25 03:42:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:13,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:13,639 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:13,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:13,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:13,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:13,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:13,642 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:13,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-25 03:42:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:13,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:14,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:14,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:14,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:14,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (134)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:14,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:14,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:14,408 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:14,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:14,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:14,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:14,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:14,410 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:14,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-25 03:42:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:14,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:14,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:14,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:15,060 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:15,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (135)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:15,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:15,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:15,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:15,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:15,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:15,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:15,071 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:15,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-25 03:42:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:15,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:15,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:42:15,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:15,732 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:42:15,736 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-25 03:42:15,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:15,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:15,738 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:15,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:15,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:15,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:15,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:15,743 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:15,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-25 03:42:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:16,074 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:16,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:16,112 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:16,449 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:16,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (137)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:16,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:16,459 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:16,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:16,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:16,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:16,463 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:16,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-25 03:42:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:16,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:16,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:16,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:17,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-25 03:42:17,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:17,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:17,193 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:17,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:17,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:17,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:17,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:17,195 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:17,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-25 03:42:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:17,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:17,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:17,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:17,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:17,957 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:17,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (139)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:17,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:17,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:17,963 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:17,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:17,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:17,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:17,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:17,965 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:17,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-25 03:42:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:18,263 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:18,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:18,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:18,685 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:18,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (140)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:18,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:18,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:18,691 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:18,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:18,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:18,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:18,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:18,693 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:18,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-25 03:42:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:19,006 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:19,105 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:19,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:19,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-25 03:42:19,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:19,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:19,452 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:19,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:19,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:19,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:19,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:19,455 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:19,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-25 03:42:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:19,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:19,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:19,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:20,198 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:20,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (142)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:20,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:20,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:20,204 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:20,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:20,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:20,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:20,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:20,206 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:20,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-25 03:42:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:20,499 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:20,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:20,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:21,038 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:21,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-25 03:42:21,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:21,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:21,044 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:21,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:21,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:21,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:21,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:21,049 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:21,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-25 03:42:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:21,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:21,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:21,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:21,718 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:21,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (144)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:21,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:21,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:21,724 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:21,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:21,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:21,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:21,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:21,727 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:21,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-25 03:42:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:21,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:22,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:22,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:22,337 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:22,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-25 03:42:22,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:22,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:22,342 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:22,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:22,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:22,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:22,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:22,346 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:22,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-25 03:42:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:22,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:22,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:22,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:22,952 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:22,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (146)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:22,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:22,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:22,957 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:22,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:22,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:22,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:22,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:22,960 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:22,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-25 03:42:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:23,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:23,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:23,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:23,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:23,635 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:23,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-25 03:42:23,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:23,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:23,639 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:23,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:23,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:23,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:23,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:23,641 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:23,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-25 03:42:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:23,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:23,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:23,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:24,287 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:24,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-25 03:42:24,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:24,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:24,292 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:24,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:24,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:24,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:24,296 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:24,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-25 03:42:24,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:24,536 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:24,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:24,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:24,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:24,833 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:24,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-25 03:42:24,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:24,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:24,838 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:24,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:24,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:24,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:24,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:24,840 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:24,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-25 03:42:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:25,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:25,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:25,160 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:25,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-25 03:42:25,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:25,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:25,442 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:25,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:25,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:25,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:25,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:25,443 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:25,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-25 03:42:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:25,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:25,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:25,826 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:26,129 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:26,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-11-25 03:42:26,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:26,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:26,134 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:26,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:26,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:26,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:26,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:26,136 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:26,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-25 03:42:26,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:26,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:26,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:26,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:26,700 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:26,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (152)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:26,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:26,705 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:26,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:26,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:26,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:26,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:26,707 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:26,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-25 03:42:26,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:26,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:27,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:42:27,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:27,245 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:42:27,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-25 03:42:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:27,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:27,250 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:27,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:27,250 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:27,250 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:27,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:27,251 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:27,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-25 03:42:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:27,511 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:27,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:42:27,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:27,789 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:42:27,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-25 03:42:27,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:27,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:27,794 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:27,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:27,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:27,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:27,796 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:27,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-25 03:42:28,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:28,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:28,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:28,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:28,395 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:28,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (155)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:28,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:28,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-11-25 03:42:28,400 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-11-25 03:42:28,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:28,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:28,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:28,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:28,402 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:28,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-25 03:42:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:28,649 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:28,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:28,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:42:28,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:29,059 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:29,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (156)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:29,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:29,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-11-25 03:42:29,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-11-25 03:42:29,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:29,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:29,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:29,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:29,660 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:29,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-25 03:42:29,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:29,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:29,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:29,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:29,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:30,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:30,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-25 03:42:30,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:30,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:30,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:30,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:30,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:30,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:30,407 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:30,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-25 03:42:30,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:30,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:30,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:30,696 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:30,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-25 03:42:30,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:30,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:30,810 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:30,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:30,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:30,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:30,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:30,815 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:30,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-25 03:42:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:31,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:31,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:31,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:31,247 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:31,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-25 03:42:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:31,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:31,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:31,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:31,255 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:31,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-25 03:42:31,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:31,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:31,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:31,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:31,684 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:31,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-25 03:42:31,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:31,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:31,690 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:31,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:31,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:31,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:31,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:31,692 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:31,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-25 03:42:31,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:31,933 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:31,978 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:31,979 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:32,085 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:32,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-25 03:42:32,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:32,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:32,091 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:32,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:32,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:32,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:32,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:32,093 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:32,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-25 03:42:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:32,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:32,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:42:32,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:42:32,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-11-25 03:42:32,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:32,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:32,697 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:32,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:32,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:32,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:32,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:32,699 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:32,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-25 03:42:32,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:32,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:33,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:33,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:33,116 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:33,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-25 03:42:33,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:33,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:33,122 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:33,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:33,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:33,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:33,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:33,125 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:33,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-25 03:42:33,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:33,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:33,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:33,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:33,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-25 03:42:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:33,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:33,538 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:33,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:33,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:33,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:33,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:33,541 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:33,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-25 03:42:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:33,775 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:33,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:33,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:33,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:33,910 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:33,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-25 03:42:33,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:33,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:33,915 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:33,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:33,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:33,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:33,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:33,917 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:33,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-25 03:42:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:34,152 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:34,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:34,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:34,325 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:34,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-25 03:42:34,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:34,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:34,330 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:34,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:34,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:34,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:34,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:34,332 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:34,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-25 03:42:34,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:34,600 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:34,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:34,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:34,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-11-25 03:42:34,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:34,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:34,768 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:34,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:34,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:34,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:34,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:34,770 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:34,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-25 03:42:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:34,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:35,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:35,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:35,149 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:35,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-25 03:42:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:35,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:35,154 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:35,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:35,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:35,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:35,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:35,156 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:35,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-25 03:42:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:35,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:35,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:35,474 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:35,656 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:35,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-25 03:42:35,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:35,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:35,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:35,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:35,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:35,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:35,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:35,667 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:35,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-25 03:42:35,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:35,921 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:35,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:35,954 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:35,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:36,059 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:36,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (170)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:36,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:36,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:36,070 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:36,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:36,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:36,072 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:36,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-25 03:42:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:36,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:36,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:36,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:36,537 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:36,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (171)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:36,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:36,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:36,542 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:36,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:36,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:36,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:36,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:36,545 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:36,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-25 03:42:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:36,797 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:36,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:36,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:36,956 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (172)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:36,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:36,958 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:36,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:36,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:36,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:36,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:36,961 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:36,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-25 03:42:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:37,234 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:37,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:37,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:37,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:37,387 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:37,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (173)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:37,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:37,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:37,392 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:37,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:37,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:37,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:37,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:37,396 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:37,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-25 03:42:37,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:37,637 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:37,675 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:37,676 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:37,787 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:37,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-11-25 03:42:37,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:37,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:37,793 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:37,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:37,793 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:37,793 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:37,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:37,795 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:37,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-25 03:42:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:38,041 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:38,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:42:38,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:38,388 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:42:38,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-25 03:42:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:38,405 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:38,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:38,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:38,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:38,407 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:38,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-25 03:42:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:38,640 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:38,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:38,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:38,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:38,835 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:38,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-25 03:42:38,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:38,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:38,841 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:38,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:38,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:38,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:38,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:38,844 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:38,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-25 03:42:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:39,126 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:39,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:39,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:39,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-25 03:42:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:39,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:39,294 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:39,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:39,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:39,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:39,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:39,295 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:39,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-25 03:42:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:39,531 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:39,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:39,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:39,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-25 03:42:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:39,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:39,695 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:39,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:39,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:39,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:39,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:39,697 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:39,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-25 03:42:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:39,979 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:40,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:42:40,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:42:40,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-25 03:42:40,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:40,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:40,309 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:40,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:40,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:40,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:40,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:40,311 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:40,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-25 03:42:40,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:40,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:40,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:40,591 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:40,705 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:40,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-11-25 03:42:40,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:40,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:40,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:40,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:40,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:40,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:40,712 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:40,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-25 03:42:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:40,976 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:41,016 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:41,016 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:41,127 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:41,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-25 03:42:41,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:41,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:41,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:41,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:41,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:41,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:41,138 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:41,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-25 03:42:41,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:41,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:41,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:41,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:41,573 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:41,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-25 03:42:41,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:41,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:41,581 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:41,581 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:41,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:41,585 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:41,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-25 03:42:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:41,819 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:41,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:41,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:41,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:42,023 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:42,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-25 03:42:42,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:42,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:42,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:42,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:42,030 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:42,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:42,035 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:42,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-25 03:42:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:42,351 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:42,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:42,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:42,469 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:42,602 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:42,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-25 03:42:42,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:42,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:42,608 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:42,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:42,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:42,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:42,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:42,610 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:42,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-25 03:42:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:42,870 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:42,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:42,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:43,047 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:43,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-25 03:42:43,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:43,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:43,052 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:43,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:43,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:43,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:43,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:43,054 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:43,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-25 03:42:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:43,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:43,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:43,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:43,433 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:43,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (186)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:43,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:43,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:43,438 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:43,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:43,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:43,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:43,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:43,440 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:43,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-25 03:42:43,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:43,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:43,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:43,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:43,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:43,821 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:43,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-25 03:42:43,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:43,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:43,827 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:43,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:43,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:43,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:43,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:43,829 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:43,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-25 03:42:44,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:44,069 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:44,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:44,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:44,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-25 03:42:44,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:44,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:44,233 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:44,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:44,233 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:44,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:44,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:44,235 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:44,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-25 03:42:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:44,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:44,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:44,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:44,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-25 03:42:44,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:44,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:44,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:44,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:44,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:44,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:44,651 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:44,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-25 03:42:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:44,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:44,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:44,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:44,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:45,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (190)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:45,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:45,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:45,061 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:45,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:45,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:45,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:45,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:45,063 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:45,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-25 03:42:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:45,303 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:45,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:45,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:45,499 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:45,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (191)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:45,507 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:45,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:45,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:45,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:45,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:45,510 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:45,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-25 03:42:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:45,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:45,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:45,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:46,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:46,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (192)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:46,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:46,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:46,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:46,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:46,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:46,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:46,099 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:46,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-25 03:42:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:46,338 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:46,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:46,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:46,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:46,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:46,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:46,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:46,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:46,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:46,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:46,595 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:46,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-25 03:42:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:46,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:46,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:46,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:46,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:47,023 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:47,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-25 03:42:47,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:47,028 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:47,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:47,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:47,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:47,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:47,030 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:47,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-25 03:42:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:47,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:47,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:47,314 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:47,425 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (195)] Ended with exit code 0 [2024-11-25 03:42:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:47,429 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:47,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:47,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:47,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:47,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:47,431 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:47,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-25 03:42:47,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:47,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:47,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:47,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:47,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:47,914 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:47,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-25 03:42:47,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:47,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:47,919 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:47,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:47,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:47,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:47,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:47,921 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:47,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-25 03:42:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:48,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:48,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:48,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:48,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (197)] Ended with exit code 0 [2024-11-25 03:42:48,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:48,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:48,318 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:48,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:48,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:48,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:48,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:48,320 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:48,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-25 03:42:48,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:48,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:48,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:48,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:48,729 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:48,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-25 03:42:48,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:48,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:48,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:48,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:48,737 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:48,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:48,740 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:48,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-25 03:42:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:48,992 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:49,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:49,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:49,179 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:49,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (199)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:49,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:49,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:49,184 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:49,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:49,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:49,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:49,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:49,187 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:49,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-25 03:42:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:49,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:49,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:49,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:49,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:49,670 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:49,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-11-25 03:42:49,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:49,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:49,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:49,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:49,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:49,677 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:49,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-25 03:42:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:49,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:50,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:50,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:50,164 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:50,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-25 03:42:50,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:50,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:50,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:50,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:50,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:50,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:50,172 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:50,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-25 03:42:50,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:50,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:50,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:50,495 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:50,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:50,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-25 03:42:50,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:50,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:50,622 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:50,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:50,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:50,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:50,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:50,625 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:50,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-25 03:42:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:50,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:50,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:50,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:51,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (203)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:51,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:51,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:51,046 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:51,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:51,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:51,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:51,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:51,050 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:51,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-25 03:42:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:51,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:51,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:51,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:51,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:51,437 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:51,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-11-25 03:42:51,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:51,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:51,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:51,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:51,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:51,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:51,444 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:51,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-25 03:42:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:51,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:51,838 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:51,839 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:51,996 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:51,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-25 03:42:52,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:52,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:52,003 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:52,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:52,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:52,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:52,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:52,005 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:52,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-25 03:42:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:52,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:52,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:52,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:52,431 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:52,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-25 03:42:52,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:52,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:52,437 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:52,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:52,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:52,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:52,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:52,438 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:52,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-25 03:42:52,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:52,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:52,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:52,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:52,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-25 03:42:52,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:52,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:52,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:52,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:52,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:52,830 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:52,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-25 03:42:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:53,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:53,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:53,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:53,280 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:53,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-25 03:42:53,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:53,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:53,285 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:53,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:53,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:53,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:53,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:53,286 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:53,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-25 03:42:53,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:53,538 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:53,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:53,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:53,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-25 03:42:53,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:53,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:53,707 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:53,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:53,707 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:53,707 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:53,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:53,709 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:53,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-25 03:42:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:54,009 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:54,065 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:54,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:54,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-11-25 03:42:54,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:54,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:54,193 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:54,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:54,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:54,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:54,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:54,195 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:54,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-25 03:42:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:54,431 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:54,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:54,488 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:54,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:54,602 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:54,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-25 03:42:54,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:54,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:54,609 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:54,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:54,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:54,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:54,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:54,610 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:54,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-25 03:42:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:54,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:54,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:54,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:54,931 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:55,040 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:55,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-25 03:42:55,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:55,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:55,045 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:55,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:55,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:55,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:55,047 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:55,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-25 03:42:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:55,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:55,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:55,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:55,506 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:55,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-25 03:42:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:55,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:55,516 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:55,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:55,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:55,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:55,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:55,519 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:55,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-25 03:42:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:55,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:55,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:55,929 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:55,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:56,064 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:56,066 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (214)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:56,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:56,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:56,068 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:56,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:56,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:56,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:56,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:56,070 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:56,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-25 03:42:56,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:56,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:56,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:56,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:56,511 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:56,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-25 03:42:56,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:56,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:56,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:56,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:56,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:56,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:56,519 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:56,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-25 03:42:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:56,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:56,876 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:56,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:57,012 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:57,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-25 03:42:57,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:57,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:57,017 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:57,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:57,017 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:57,017 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:57,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:57,019 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:57,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-25 03:42:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:57,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:57,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:57,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:57,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-25 03:42:57,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:57,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:57,483 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:57,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:57,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:57,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:57,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:57,485 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:57,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-25 03:42:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:57,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:57,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:57,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:57,868 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:57,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-25 03:42:57,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:57,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:57,874 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:57,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:57,874 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:57,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:57,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:57,875 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:57,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-25 03:42:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:58,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:58,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:58,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:58,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:58,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (219)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:58,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:58,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:58,380 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:58,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:58,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:58,380 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:58,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:58,383 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:58,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-25 03:42:58,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:58,629 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:58,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:58,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:58,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:58,802 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:58,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-25 03:42:58,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:58,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:58,811 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:58,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:58,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:58,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:58,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:58,814 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:58,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-25 03:42:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:59,078 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:59,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:59,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:59,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:59,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:59,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (221)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:59,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:59,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:59,260 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:59,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:59,260 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:59,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:59,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:59,262 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:59,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-25 03:42:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:59,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:42:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:59,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:42:59,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:42:59,696 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:42:59,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (222)] Forceful destruction successful, exit code 0 [2024-11-25 03:42:59,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:42:59,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:42:59,700 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:42:59,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:42:59,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:42:59,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:42:59,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:42:59,702 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:42:59,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-25 03:42:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:42:59,952 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:00,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:00,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:00,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:00,149 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:00,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-25 03:43:00,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:00,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:00,154 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:00,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:00,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:00,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:00,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:00,156 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:00,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-25 03:43:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:00,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:00,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:00,449 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:00,575 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:00,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-25 03:43:00,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:00,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:00,579 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:00,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:00,580 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:00,580 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:00,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:00,582 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:00,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-25 03:43:00,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:00,814 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:00,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:00,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:00,978 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:00,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (225)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:00,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:00,987 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:00,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:00,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:00,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:00,991 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:00,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-25 03:43:01,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:01,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:01,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:01,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:01,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:01,394 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:01,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-25 03:43:01,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:01,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:01,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:01,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:01,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:01,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:01,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:01,404 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:01,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-25 03:43:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:01,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:01,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:01,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:01,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-25 03:43:01,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:01,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:01,821 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:01,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:01,822 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:01,822 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:01,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:01,823 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:01,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-25 03:43:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:02,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:02,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:43:02,104 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:02,317 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:43:02,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-25 03:43:02,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:02,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:02,334 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:02,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:02,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:02,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:02,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:02,338 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:02,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-25 03:43:02,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:02,582 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:02,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:02,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:02,736 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:02,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-11-25 03:43:02,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:02,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:02,741 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:02,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:02,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:02,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:02,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:02,743 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:02,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-25 03:43:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:02,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:03,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:03,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:03,151 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:03,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-11-25 03:43:03,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:03,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:03,156 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:03,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:03,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:03,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:03,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:03,158 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:03,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-25 03:43:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:03,396 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:03,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:03,480 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:03,644 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:03,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-11-25 03:43:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:03,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:03,651 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:03,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:03,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:03,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:03,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:03,655 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:03,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-25 03:43:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:03,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:03,969 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:03,970 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:04,074 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:04,077 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-25 03:43:04,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:04,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:04,079 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:04,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:04,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:04,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:04,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:04,086 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:04,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-25 03:43:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:04,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:04,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:04,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:04,573 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:04,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-25 03:43:04,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:04,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:04,578 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:04,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:04,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:04,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:04,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:04,580 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:04,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-25 03:43:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:04,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:04,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:04,915 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:05,031 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:05,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (234)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:05,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:05,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:05,037 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:05,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:05,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:05,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:05,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:05,039 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:05,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-25 03:43:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:05,417 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:05,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:05,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:43:05,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:05,807 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:43:05,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (235)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:05,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:05,828 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:05,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:05,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:05,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:05,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:05,830 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:05,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-25 03:43:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:06,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:06,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:06,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:06,353 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:06,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-25 03:43:06,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:06,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:06,359 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:06,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:06,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:06,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:06,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:06,362 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:06,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-25 03:43:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:06,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:06,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:06,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:06,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:06,816 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:06,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-11-25 03:43:06,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:06,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:06,821 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:06,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:06,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:06,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:06,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:06,824 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:06,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-25 03:43:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:07,099 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:07,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:07,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:07,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:07,279 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:07,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (238)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:07,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:07,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:07,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:07,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:07,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:07,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:07,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:07,286 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:07,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-25 03:43:07,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:07,517 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:07,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:07,576 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:07,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (239)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:07,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:07,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:07,688 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:07,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:07,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:07,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:07,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:07,689 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:07,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-25 03:43:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:07,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:07,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:07,984 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:07,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:08,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (240)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:08,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:08,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:08,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:08,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:08,135 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:08,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-25 03:43:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:08,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:08,433 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:08,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:08,547 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:08,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-25 03:43:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:08,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:08,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:08,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:08,554 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:08,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-25 03:43:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:08,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:08,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:08,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:08,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:09,010 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:09,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-25 03:43:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:09,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:09,015 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:09,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:09,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:09,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:09,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:09,017 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:09,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-25 03:43:09,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:09,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:09,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:09,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:09,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:09,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-25 03:43:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:09,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:09,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:09,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:09,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:09,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:09,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:09,420 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:09,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-25 03:43:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:09,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:09,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:09,716 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:09,717 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:09,840 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:09,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-25 03:43:09,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:09,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:09,846 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:09,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:09,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:09,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:09,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:09,848 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:09,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-25 03:43:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:10,088 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:10,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:10,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:10,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:10,257 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:10,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (245)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:10,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:10,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:10,262 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:10,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:10,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:10,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:10,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:10,264 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:10,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-25 03:43:10,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:10,507 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:10,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:10,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:10,729 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:10,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-25 03:43:10,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:10,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:10,734 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:10,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:10,735 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:10,735 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:10,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:10,736 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:10,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-25 03:43:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:10,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:11,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:11,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:11,144 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:11,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-25 03:43:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:11,149 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:11,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:11,149 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:11,149 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:11,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:11,151 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:11,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-25 03:43:11,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:11,389 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:11,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:11,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:11,533 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:11,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (248)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:11,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:11,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:11,539 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:11,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:11,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:11,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:11,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:11,541 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:11,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-25 03:43:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:11,780 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:11,830 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:11,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:11,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-25 03:43:11,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:11,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:11,945 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:11,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:11,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:11,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:11,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:11,948 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:11,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-25 03:43:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:12,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:12,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:12,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:12,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:12,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (250)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:12,328 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:12,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:12,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:12,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:12,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:12,329 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:12,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-25 03:43:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:12,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:12,622 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:12,623 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:12,734 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:12,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-25 03:43:12,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:12,739 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:12,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:12,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:12,740 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:12,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:12,741 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:12,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-25 03:43:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:12,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:13,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:13,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:13,151 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:13,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-25 03:43:13,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:13,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:13,156 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:13,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:13,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:13,156 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:13,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:13,158 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:13,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-25 03:43:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:13,398 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:13,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:13,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:13,551 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:13,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-11-25 03:43:13,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:13,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:13,556 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:13,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:13,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:13,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:13,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:13,558 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:13,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-25 03:43:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:13,796 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:13,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:13,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:13,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-11-25 03:43:13,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:13,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:13,961 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:13,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:13,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:13,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:13,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:13,963 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:13,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-25 03:43:14,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:14,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:14,242 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:14,243 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:14,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-11-25 03:43:14,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:14,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:14,357 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:14,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:14,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:14,358 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:14,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:14,360 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:14,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-25 03:43:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:14,607 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:14,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:14,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:14,757 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:14,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-11-25 03:43:14,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:14,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:14,763 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:14,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:14,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:14,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:14,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:14,767 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:14,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-25 03:43:15,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:15,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:15,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:15,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:15,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:15,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-25 03:43:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:15,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:15,183 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:15,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:15,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:15,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:15,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:15,187 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:15,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-25 03:43:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:15,431 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:15,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:15,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:15,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:15,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-25 03:43:15,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:15,712 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:15,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:15,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:15,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:15,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:15,714 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:15,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-25 03:43:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:16,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:16,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:16,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:16,298 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:16,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-25 03:43:16,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:16,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:16,303 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:16,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:16,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:16,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:16,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:16,305 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:16,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-25 03:43:16,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:16,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:16,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:16,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:16,914 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:16,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (260)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:16,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:16,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:16,922 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:16,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:16,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:16,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:16,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:16,926 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:16,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-25 03:43:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:17,201 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:17,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:17,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:43:17,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:17,574 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:43:17,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (261)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:17,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:17,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:17,592 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:17,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:17,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:17,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:17,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:17,594 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:17,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-25 03:43:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:17,904 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:17,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:17,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:18,102 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:18,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (262)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:18,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:18,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:18,107 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:18,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:18,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:18,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:18,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:18,111 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:18,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-25 03:43:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:18,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:18,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:18,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:18,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-11-25 03:43:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:18,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:18,733 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:18,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:18,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:18,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:18,735 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:18,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-25 03:43:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:19,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:19,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:43:19,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:19,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:43:19,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-11-25 03:43:19,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:19,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:19,317 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:19,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:19,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:19,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:19,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:19,319 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:19,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-25 03:43:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:19,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:19,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:19,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:19,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:19,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-25 03:43:19,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:19,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:19,754 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:19,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:19,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:19,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:19,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:19,758 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:19,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-25 03:43:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:20,015 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:20,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:20,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:20,190 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:20,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-25 03:43:20,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:20,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:20,195 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:20,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:20,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:20,195 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:20,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:20,197 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:20,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-25 03:43:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:20,507 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:20,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:20,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:20,677 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:20,680 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-11-25 03:43:20,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:20,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:20,684 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:20,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:20,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:20,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:20,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:20,685 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:20,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-25 03:43:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:20,933 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:21,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:21,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:21,121 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:21,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (268)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:21,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:21,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:21,126 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:21,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:21,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:21,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:21,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:21,129 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:21,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-25 03:43:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:21,411 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:21,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:21,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:21,556 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:21,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-25 03:43:21,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:21,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:21,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:21,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:21,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:21,563 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:21,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-25 03:43:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:21,822 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:21,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:21,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:22,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-25 03:43:22,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:22,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:22,015 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:22,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:22,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:22,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:22,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:22,019 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:22,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-25 03:43:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:22,296 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:22,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:22,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:22,475 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:22,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-11-25 03:43:22,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:22,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:22,480 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:22,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:22,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:22,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:22,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:22,482 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:22,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-25 03:43:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:22,744 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:22,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:22,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:22,910 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:22,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-25 03:43:22,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:22,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:22,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:22,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:22,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:22,917 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:22,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-25 03:43:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:23,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:23,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:23,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:23,331 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:23,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-25 03:43:23,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:23,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:23,337 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:23,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:23,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:23,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:23,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:23,339 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:23,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-25 03:43:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:23,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:23,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:23,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:23,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-25 03:43:23,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:23,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:23,732 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:23,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:23,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:23,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:23,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:23,736 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:23,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-25 03:43:24,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:24,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:24,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:24,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:24,247 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:24,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-25 03:43:24,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:24,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:24,252 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:24,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:24,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:24,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:24,254 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:24,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-25 03:43:24,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:24,491 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:24,541 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:24,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:24,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-25 03:43:24,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:24,653 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:24,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:24,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:24,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:24,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:24,655 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:24,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-25 03:43:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:24,881 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:24,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:24,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:25,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (277)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:25,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:25,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:25,095 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:25,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:25,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:25,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:25,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:25,097 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:25,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-25 03:43:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:25,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:25,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:25,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:25,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (278)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:25,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:25,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:25,602 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:25,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:25,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:25,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:25,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:25,605 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:25,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-25 03:43:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:25,995 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:26,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:26,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:26,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:26,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (279)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:26,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:26,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:26,241 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:26,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:26,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:26,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:26,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:26,243 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:26,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-25 03:43:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:26,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:26,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:26,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:26,685 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:26,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-25 03:43:26,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:26,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:26,690 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:26,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:26,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:26,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:26,692 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:26,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-25 03:43:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:26,935 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:26,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:26,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:27,109 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:27,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-25 03:43:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:27,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:27,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:27,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:27,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:27,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:27,117 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:27,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-25 03:43:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:27,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:27,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:27,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:27,564 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-25 03:43:27,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:27,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:27,566 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:27,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:27,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:27,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:27,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:27,568 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:27,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-25 03:43:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:27,829 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:27,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:27,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:28,001 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:28,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-25 03:43:28,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:28,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:28,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:28,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:28,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:28,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:28,010 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:28,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-25 03:43:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:28,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:28,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:28,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:28,473 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:28,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-25 03:43:28,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:28,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:28,479 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:28,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:28,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:28,479 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:28,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:28,481 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:28,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-25 03:43:28,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:28,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:28,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:28,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:28,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:28,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-25 03:43:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:28,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:28,925 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:28,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:28,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:28,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:28,927 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:28,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-25 03:43:29,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:29,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:29,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:29,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:29,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:29,363 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:29,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (286)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:29,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:29,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:29,370 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:29,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:29,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:29,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:29,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:29,372 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:29,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-25 03:43:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:29,629 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:29,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:29,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:29,805 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:29,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-25 03:43:29,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:29,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:29,810 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:29,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:29,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:29,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:29,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:29,812 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:29,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-25 03:43:30,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:30,082 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:30,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:30,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:30,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-11-25 03:43:30,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:30,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:30,297 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:30,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:30,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:30,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:30,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:30,300 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:30,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-25 03:43:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:30,547 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:30,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:30,604 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:30,718 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:30,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-25 03:43:30,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:30,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:30,725 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:30,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:30,726 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:30,726 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:30,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:30,728 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:30,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-25 03:43:30,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:30,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:31,042 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:31,043 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:31,185 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:31,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-25 03:43:31,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:31,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:31,191 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:31,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:31,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:31,191 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:31,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:31,193 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:31,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-25 03:43:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:31,421 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:31,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:31,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:31,564 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:31,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-25 03:43:31,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:31,570 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:31,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:31,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:31,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:31,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:31,571 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:31,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-25 03:43:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:31,800 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:31,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:31,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:31,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:31,961 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:31,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-25 03:43:31,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:31,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:31,966 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:31,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:31,966 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:31,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:31,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:31,968 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:31,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-25 03:43:32,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:32,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:32,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:32,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:32,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-25 03:43:32,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:32,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:32,393 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:32,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:32,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:32,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:32,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:32,395 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:32,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-25 03:43:32,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:32,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:32,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:32,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:32,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:32,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (294)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:32,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:32,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:32,825 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:32,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:32,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:32,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:32,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:32,827 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:32,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-25 03:43:33,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:33,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:33,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:33,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:33,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-25 03:43:33,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:33,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:33,309 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:33,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:33,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:33,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:33,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:33,311 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:33,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-25 03:43:33,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:33,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:33,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:33,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:33,782 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:33,785 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-25 03:43:33,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:33,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:33,788 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:33,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:33,788 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:33,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:33,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:33,790 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:33,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-25 03:43:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:34,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:34,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:34,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:34,259 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:34,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-25 03:43:34,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:34,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:34,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:34,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:34,266 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:34,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-25 03:43:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:34,516 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:34,553 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:34,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:34,690 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:34,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-25 03:43:34,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:34,697 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:34,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:34,697 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:34,697 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:34,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:34,701 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:34,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-25 03:43:34,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:34,967 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:35,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:35,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:35,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:35,166 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:35,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (299)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:35,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:35,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:35,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:35,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:35,174 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:35,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-25 03:43:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:35,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:35,498 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:35,499 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:35,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-25 03:43:35,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:35,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:35,763 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:35,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:35,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:35,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:35,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:35,765 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:35,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-25 03:43:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:36,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:36,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:36,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:36,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:36,259 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:36,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-25 03:43:36,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:36,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:36,265 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:36,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:36,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:36,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:36,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:36,268 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:36,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-25 03:43:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:36,514 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:36,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:36,572 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:36,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:36,752 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:36,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-11-25 03:43:36,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:36,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:36,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:36,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:36,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:36,763 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:36,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-25 03:43:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:37,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:37,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:37,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:37,242 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:37,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (303)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:37,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:37,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:37,246 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:37,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:37,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:37,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:37,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:37,248 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:37,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-25 03:43:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:37,480 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:37,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:37,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:37,633 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:37,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-25 03:43:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:37,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:37,638 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:37,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:37,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:37,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:37,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:37,640 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:37,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-25 03:43:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:37,925 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:38,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:38,032 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:38,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:38,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-25 03:43:38,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:38,165 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:38,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:38,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:38,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:38,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:38,167 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:38,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-25 03:43:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:38,486 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:38,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:38,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:38,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-25 03:43:38,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:38,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:38,668 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:38,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:38,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:38,668 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:38,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:38,671 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:38,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-25 03:43:39,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:39,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:39,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:43:39,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:39,482 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:43:39,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (307)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:39,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:39,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:39,499 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:39,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:39,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:39,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:39,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:39,503 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:39,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-25 03:43:39,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:39,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:39,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:39,792 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:39,901 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:39,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-25 03:43:39,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:39,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:39,906 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:39,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:39,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:39,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:39,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:39,907 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:39,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-25 03:43:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:40,163 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:40,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:40,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:40,349 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:40,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-25 03:43:40,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:40,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:40,354 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:40,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:40,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:40,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:40,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:40,356 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:40,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-25 03:43:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:40,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:40,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:40,770 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:40,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:40,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-25 03:43:40,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:40,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:40,891 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:40,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:40,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:40,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:40,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:40,892 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:40,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-25 03:43:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:41,158 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:41,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:41,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:41,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:41,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:41,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (311)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:41,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:41,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:41,335 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:41,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:41,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:41,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:41,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:41,336 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:41,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-25 03:43:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:41,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:41,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:41,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:41,772 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:41,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-25 03:43:41,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:41,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:41,777 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:41,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:41,778 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:41,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:41,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:41,779 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:41,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-25 03:43:42,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:42,044 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:42,089 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:42,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:42,210 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:42,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-25 03:43:42,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:42,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:42,216 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:42,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:42,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:42,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:42,218 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:42,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-25 03:43:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:42,479 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:42,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:42,540 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:42,541 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:42,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-25 03:43:42,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:42,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:42,663 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:42,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:42,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:42,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:42,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:42,665 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:42,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-25 03:43:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:42,966 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:43,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:43:43,006 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:43,269 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:43:43,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-25 03:43:43,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:43,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:43,286 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:43,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:43,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:43,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:43,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:43,287 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:43,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-25 03:43:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:43,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:43,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:43,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:43,753 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:43,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-25 03:43:43,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:43,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:43,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:43,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:43,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:43,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:43,759 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:43,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-25 03:43:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:44,011 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:44,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:44,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:44,178 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:44,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-25 03:43:44,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:44,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:44,184 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:44,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:44,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:44,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:44,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:44,188 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:44,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-25 03:43:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:44,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:44,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:44,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:44,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:44,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-25 03:43:44,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:44,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:44,613 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:44,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:44,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:44,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:44,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:44,615 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:44,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-25 03:43:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:44,840 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:44,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:44,895 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:44,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:45,019 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:45,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-25 03:43:45,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:45,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:45,024 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:45,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:45,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:45,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:45,026 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:45,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-25 03:43:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:45,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:45,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:45,327 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:45,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-25 03:43:45,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:45,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:45,439 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:45,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:45,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:45,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:45,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:45,441 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:45,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-25 03:43:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:45,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:45,788 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:45,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:45,900 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:45,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-25 03:43:45,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:45,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:45,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:45,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:45,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:45,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:45,913 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:45,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-25 03:43:46,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:46,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:46,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:46,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:46,342 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:46,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (322)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:46,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:46,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:46,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:46,347 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:46,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:46,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:46,348 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:46,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-25 03:43:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:46,641 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:46,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:46,687 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:46,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-25 03:43:46,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:46,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:46,807 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:46,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:46,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:46,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:46,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:46,809 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:46,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-25 03:43:47,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:47,104 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:47,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:47,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:47,303 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:47,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (324)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:47,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:47,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:47,308 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:47,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:47,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:47,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:47,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:47,310 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:47,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-25 03:43:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:47,579 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:47,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:47,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:47,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-25 03:43:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:47,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:47,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:47,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:47,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:47,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:47,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:47,751 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:47,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-25 03:43:48,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:48,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:48,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:48,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:48,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:48,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-25 03:43:48,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:48,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:48,215 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:48,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:48,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:48,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:48,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:48,217 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:48,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-25 03:43:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:48,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:48,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:48,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:48,537 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:48,667 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:48,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-25 03:43:48,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:48,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:48,672 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:48,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:48,673 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:48,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:48,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:48,674 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:48,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-25 03:43:48,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:48,933 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:48,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:48,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:49,150 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:49,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-25 03:43:49,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:49,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:49,155 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:49,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:49,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:49,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:49,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:49,157 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:49,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-25 03:43:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:49,420 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:49,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:49,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:49,596 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:49,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-25 03:43:49,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:49,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:49,602 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:49,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:49,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:49,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:49,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:49,604 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:49,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-25 03:43:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:49,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:49,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:43:49,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:50,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:43:50,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-11-25 03:43:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:50,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:50,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:50,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:50,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:50,238 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:50,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-25 03:43:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:50,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:50,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:43:50,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:50,789 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:43:50,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-25 03:43:50,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:50,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:50,812 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:50,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:50,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:50,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:50,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:50,814 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:50,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-25 03:43:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:51,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:51,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:51,176 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:51,293 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:51,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-25 03:43:51,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:51,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:51,298 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:51,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:51,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:51,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:51,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:51,304 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:51,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-25 03:43:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:51,570 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:51,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:51,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:51,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:51,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (333)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:51,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:51,740 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:51,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:51,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:51,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:51,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:51,742 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:51,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-25 03:43:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:52,015 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:52,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:52,078 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:52,194 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:52,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-25 03:43:52,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:52,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:52,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:52,200 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:52,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:52,201 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:52,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-25 03:43:52,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:52,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:52,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:43:52,523 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:52,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:43:52,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-25 03:43:52,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:52,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:52,782 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:52,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:52,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:52,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:52,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:52,784 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:52,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-25 03:43:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:53,041 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:53,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:53,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:53,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:53,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-25 03:43:53,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:53,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:53,223 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:53,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:53,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:53,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:53,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:53,225 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:53,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-25 03:43:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:53,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:53,583 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:53,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:53,707 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:53,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-25 03:43:53,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:53,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:53,712 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:53,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:53,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:53,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:53,714 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:53,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-25 03:43:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:53,966 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:54,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:54,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:54,163 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:54,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-25 03:43:54,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:54,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:54,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:54,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:54,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:54,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:54,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:54,173 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:54,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-25 03:43:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:54,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:54,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:54,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:54,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:54,572 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:54,575 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-25 03:43:54,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:54,577 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:54,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:54,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:54,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:54,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:54,579 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:54,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-25 03:43:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:54,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:54,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:54,854 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:54,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:54,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-25 03:43:54,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:54,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:54,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:54,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:54,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:54,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:54,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:54,965 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:54,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-25 03:43:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:55,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:55,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:55,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:43:55,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:55,457 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:43:55,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (341)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:55,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:55,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:55,472 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:55,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:55,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:55,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:55,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:55,473 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:55,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-25 03:43:55,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:55,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:55,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:55,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:55,844 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:55,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-11-25 03:43:55,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:55,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:55,848 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:55,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:55,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:55,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:55,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:55,850 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:55,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-25 03:43:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:56,077 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:56,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:56,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:56,387 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:56,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-11-25 03:43:56,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:56,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:56,396 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:56,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:56,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:56,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:56,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:56,399 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:56,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-11-25 03:43:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:56,658 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:56,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:56,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:56,820 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:56,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (344)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:56,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:56,825 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:56,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:56,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:56,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:56,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:56,827 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:56,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-11-25 03:43:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:57,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:57,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:57,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:57,218 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:57,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-11-25 03:43:57,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:57,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:57,224 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:57,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:57,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:57,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:57,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:57,226 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:57,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-11-25 03:43:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:57,461 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:57,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:57,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:57,636 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:57,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (346)] Forceful destruction successful, exit code 0 [2024-11-25 03:43:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:57,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:57,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:57,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:57,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:57,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:57,643 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:57,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-11-25 03:43:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:57,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:57,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:57,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:58,095 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:58,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-11-25 03:43:58,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:58,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:58,101 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:58,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:58,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:58,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:58,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:58,103 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:58,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-11-25 03:43:58,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:58,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:58,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:58,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:58,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:58,470 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:58,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-11-25 03:43:58,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:58,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:58,476 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:58,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:58,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:58,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:58,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:58,478 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:58,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-11-25 03:43:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:58,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:58,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:58,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:58,904 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:58,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-11-25 03:43:58,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:58,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:58,909 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:58,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:58,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:58,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:58,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:58,910 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:58,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-11-25 03:43:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:59,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:59,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:59,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:59,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:59,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:59,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-11-25 03:43:59,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:59,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:59,288 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:59,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:59,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:59,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:59,290 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:59,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-11-25 03:43:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:59,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:59,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:59,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:59,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:43:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:43:59,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-11-25 03:43:59,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:43:59,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:43:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:43:59,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:43:59,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:43:59,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:43:59,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:43:59,695 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:43:59,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-11-25 03:43:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:59,926 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:43:59,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:43:59,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:43:59,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:00,087 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:00,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-11-25 03:44:00,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:00,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:00,092 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:00,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:00,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:00,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:00,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:00,094 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:00,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-11-25 03:44:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:00,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:00,394 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:00,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:00,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:00,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (353)] Forceful destruction successful, exit code 0 [2024-11-25 03:44:00,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:00,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:00,518 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:00,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:00,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:00,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:00,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:00,520 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:00,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-11-25 03:44:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:00,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:00,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:44:00,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:01,044 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:44:01,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-11-25 03:44:01,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:01,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:01,060 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:01,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:01,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:01,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:01,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:01,062 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:01,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-11-25 03:44:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:01,291 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:01,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:01,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:01,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:01,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-11-25 03:44:01,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:01,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:01,513 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:01,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:01,513 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:01,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:01,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:01,515 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:01,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-11-25 03:44:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:01,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:01,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:01,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:01,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-11-25 03:44:01,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:01,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:01,922 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:01,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:01,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:01,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:01,924 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:01,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-11-25 03:44:02,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:02,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:02,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:02,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:02,380 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:02,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (357)] Forceful destruction successful, exit code 0 [2024-11-25 03:44:02,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:02,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:02,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:02,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:02,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:02,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:02,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:02,387 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:02,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-11-25 03:44:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:02,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:02,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:02,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:02,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-11-25 03:44:02,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:02,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:02,772 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:02,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:02,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:02,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:02,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:02,773 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:02,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-11-25 03:44:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:03,004 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:03,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:03,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:03,219 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:03,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-11-25 03:44:03,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:03,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:03,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:03,225 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:03,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:03,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:03,226 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:03,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-11-25 03:44:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:03,482 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:03,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:03,555 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:03,668 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:03,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (360)] Forceful destruction successful, exit code 0 [2024-11-25 03:44:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:03,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:03,673 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:03,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:03,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:03,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:03,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:03,675 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:03,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-11-25 03:44:03,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:03,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:03,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:03,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:04,089 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:04,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-11-25 03:44:04,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:04,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:04,095 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:04,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:04,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:04,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:04,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:04,097 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:04,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-11-25 03:44:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:04,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:04,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:04,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:04,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:04,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:04,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (362)] Forceful destruction successful, exit code 0 [2024-11-25 03:44:04,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:04,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:04,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:04,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:04,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:04,558 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:04,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-11-25 03:44:04,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:04,819 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:04,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:04,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:04,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:05,038 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:05,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (363)] Forceful destruction successful, exit code 0 [2024-11-25 03:44:05,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:05,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:05,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:05,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:05,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:05,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:05,046 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:05,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-11-25 03:44:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:05,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:05,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:05,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:05,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:05,488 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:05,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-11-25 03:44:05,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:05,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:05,494 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:05,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:05,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:05,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:05,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:05,496 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:05,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-11-25 03:44:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:05,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:05,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:05,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:05,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:05,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-11-25 03:44:05,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:05,930 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:05,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:05,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:05,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:05,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:05,932 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:05,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-11-25 03:44:06,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:06,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:06,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:06,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:06,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:06,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-11-25 03:44:06,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:06,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:06,478 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:06,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:06,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:06,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:06,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:06,480 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:06,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-11-25 03:44:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:06,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:06,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:06,793 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:06,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:06,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-11-25 03:44:06,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:06,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:06,905 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:06,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:06,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:06,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:06,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:06,907 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:06,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-11-25 03:44:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:07,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:07,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:07,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:07,294 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:07,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-11-25 03:44:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:07,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:07,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:07,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:07,302 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:07,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-11-25 03:44:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:07,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:07,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:07,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:07,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:07,865 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:07,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-11-25 03:44:07,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:07,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:07,873 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:07,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:07,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:07,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:07,875 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:07,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-11-25 03:44:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:08,122 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:08,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:08,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:08,266 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:08,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-11-25 03:44:08,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:08,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:08,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:08,272 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:08,273 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:08,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:08,274 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:08,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-11-25 03:44:08,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:08,501 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:08,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:08,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:08,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-11-25 03:44:08,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:08,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:08,655 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:08,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:08,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:08,655 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:08,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:08,656 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:08,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-11-25 03:44:08,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:08,886 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:08,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:08,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:08,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:09,040 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:09,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-11-25 03:44:09,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:09,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:09,045 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:09,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:09,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:09,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:09,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:09,047 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:09,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-11-25 03:44:09,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:09,338 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:09,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:09,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:09,510 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:09,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-11-25 03:44:09,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:09,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:09,516 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:09,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:09,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:09,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:09,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:09,518 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:09,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-11-25 03:44:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:09,786 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:09,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:44:09,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:10,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:44:10,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (374)] Forceful destruction successful, exit code 0 [2024-11-25 03:44:10,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:10,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:10,088 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:10,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:10,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:10,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:10,090 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:44:10,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-11-25 03:44:10,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:10,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:44:10,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:44:10,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:44:10,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:44:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:44:10,491 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (375)] Ended with exit code 0 [2024-11-25 03:44:10,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:44:10,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-11-25 03:44:10,494 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-11-25 03:44:10,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:44:10,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:44:10,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:44:10,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:44:10,495 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-11-25 03:52:01,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1447)] Waiting until timeout for monitored process [2024-11-25 03:52:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:01,507 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:01,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:01,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:01,673 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:01,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1447)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:01,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:01,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:01,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:01,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:01,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:01,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:01,680 INFO L229 MonitoredProcess]: Starting monitored process 1448 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:01,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1448)] Waiting until timeout for monitored process [2024-11-25 03:52:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:01,961 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:02,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:02,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:02,122 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:02,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1448)] Ended with exit code 0 [2024-11-25 03:52:02,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:02,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:02,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:02,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:02,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:02,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:02,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:02,128 INFO L229 MonitoredProcess]: Starting monitored process 1449 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:02,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1449)] Waiting until timeout for monitored process [2024-11-25 03:52:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:02,369 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:02,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:02,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:02,569 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:02,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1449)] Ended with exit code 0 [2024-11-25 03:52:02,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:02,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:02,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:02,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:02,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:02,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:02,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:02,575 INFO L229 MonitoredProcess]: Starting monitored process 1450 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:02,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1450)] Waiting until timeout for monitored process [2024-11-25 03:52:02,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:02,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:02,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:02,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:02,992 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:02,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1450)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:02,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:02,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:02,996 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:02,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:02,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:02,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:02,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:02,998 INFO L229 MonitoredProcess]: Starting monitored process 1451 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:02,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1451)] Waiting until timeout for monitored process [2024-11-25 03:52:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:03,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:03,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:03,307 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:03,424 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:03,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1451)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:03,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:03,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:03,429 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:03,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:03,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:03,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:03,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:03,431 INFO L229 MonitoredProcess]: Starting monitored process 1452 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:03,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1452)] Waiting until timeout for monitored process [2024-11-25 03:52:03,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:03,668 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:03,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:03,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:03,851 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:03,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1452)] Ended with exit code 0 [2024-11-25 03:52:03,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:03,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:03,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:03,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:03,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:03,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:03,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:03,859 INFO L229 MonitoredProcess]: Starting monitored process 1453 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:03,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1453)] Waiting until timeout for monitored process [2024-11-25 03:52:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:04,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:04,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:52:04,169 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:04,425 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:52:04,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1453)] Ended with exit code 0 [2024-11-25 03:52:04,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:04,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:04,430 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:04,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:04,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:04,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:04,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:04,432 INFO L229 MonitoredProcess]: Starting monitored process 1454 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:04,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1454)] Waiting until timeout for monitored process [2024-11-25 03:52:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:04,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:04,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:04,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:04,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:04,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1454)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:04,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:04,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:04,827 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:04,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:04,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:04,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:04,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:04,829 INFO L229 MonitoredProcess]: Starting monitored process 1455 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:04,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1455)] Waiting until timeout for monitored process [2024-11-25 03:52:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:05,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:05,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:05,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:05,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:05,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1455)] Ended with exit code 0 [2024-11-25 03:52:05,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:05,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:05,294 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:05,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:05,294 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:05,294 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:05,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:05,295 INFO L229 MonitoredProcess]: Starting monitored process 1456 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:05,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1456)] Waiting until timeout for monitored process [2024-11-25 03:52:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:05,597 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:05,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:05,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:05,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:05,834 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:05,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1456)] Ended with exit code 0 [2024-11-25 03:52:05,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:05,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:05,840 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:05,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:05,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:05,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:05,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:05,842 INFO L229 MonitoredProcess]: Starting monitored process 1457 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:05,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1457)] Waiting until timeout for monitored process [2024-11-25 03:52:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:06,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:06,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:06,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:06,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:06,312 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:06,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1457)] Ended with exit code 0 [2024-11-25 03:52:06,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:06,317 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:06,317 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:06,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:06,318 INFO L229 MonitoredProcess]: Starting monitored process 1458 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:06,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1458)] Waiting until timeout for monitored process [2024-11-25 03:52:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:06,585 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:06,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:06,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:06,750 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:06,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1458)] Ended with exit code 0 [2024-11-25 03:52:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:06,755 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:06,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:06,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:06,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:06,756 INFO L229 MonitoredProcess]: Starting monitored process 1459 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:06,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1459)] Waiting until timeout for monitored process [2024-11-25 03:52:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:07,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:07,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:07,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:07,270 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:07,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1459)] Ended with exit code 0 [2024-11-25 03:52:07,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:07,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:07,275 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:07,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:07,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:07,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:07,277 INFO L229 MonitoredProcess]: Starting monitored process 1460 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:07,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1460)] Waiting until timeout for monitored process [2024-11-25 03:52:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:07,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:07,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:07,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:07,675 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:07,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1460)] Ended with exit code 0 [2024-11-25 03:52:07,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:07,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:07,680 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:07,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:07,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:07,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:07,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:07,682 INFO L229 MonitoredProcess]: Starting monitored process 1461 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:07,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1461)] Waiting until timeout for monitored process [2024-11-25 03:52:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:07,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:08,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:08,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:08,128 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:08,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1461)] Ended with exit code 0 [2024-11-25 03:52:08,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:08,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:08,133 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:08,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:08,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:08,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:08,134 INFO L229 MonitoredProcess]: Starting monitored process 1462 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:08,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1462)] Waiting until timeout for monitored process [2024-11-25 03:52:08,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:08,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:08,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:08,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:52:08,436 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:08,669 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:52:08,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1462)] Ended with exit code 0 [2024-11-25 03:52:08,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:08,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:08,675 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:08,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:08,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:08,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:08,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:08,677 INFO L229 MonitoredProcess]: Starting monitored process 1463 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:08,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1463)] Waiting until timeout for monitored process [2024-11-25 03:52:08,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:08,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:09,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:09,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:09,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:09,120 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:09,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1463)] Ended with exit code 0 [2024-11-25 03:52:09,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:09,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:09,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:09,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:09,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:09,127 INFO L229 MonitoredProcess]: Starting monitored process 1464 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:09,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1464)] Waiting until timeout for monitored process [2024-11-25 03:52:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:09,380 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:09,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:09,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:09,571 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:09,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1464)] Ended with exit code 0 [2024-11-25 03:52:09,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:09,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:09,576 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:09,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:09,576 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:09,576 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:09,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:09,578 INFO L229 MonitoredProcess]: Starting monitored process 1465 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:09,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1465)] Waiting until timeout for monitored process [2024-11-25 03:52:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:09,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:09,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:09,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:09,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:09,999 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:10,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1465)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:10,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:10,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:10,004 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:10,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:10,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:10,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:10,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:10,006 INFO L229 MonitoredProcess]: Starting monitored process 1466 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:10,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1466)] Waiting until timeout for monitored process [2024-11-25 03:52:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:10,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:10,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:10,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:10,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:10,432 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:10,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1466)] Ended with exit code 0 [2024-11-25 03:52:10,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:10,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:10,438 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:10,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:10,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:10,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:10,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:10,440 INFO L229 MonitoredProcess]: Starting monitored process 1467 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:10,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1467)] Waiting until timeout for monitored process [2024-11-25 03:52:10,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:10,731 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:10,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:10,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:10,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:10,948 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:10,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1467)] Ended with exit code 0 [2024-11-25 03:52:10,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:10,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:10,954 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:10,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:10,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:10,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:10,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:10,955 INFO L229 MonitoredProcess]: Starting monitored process 1468 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:10,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1468)] Waiting until timeout for monitored process [2024-11-25 03:52:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:11,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:11,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:11,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:11,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:11,487 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:11,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1468)] Ended with exit code 0 [2024-11-25 03:52:11,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:11,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:11,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:11,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:11,494 INFO L229 MonitoredProcess]: Starting monitored process 1469 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:11,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1469)] Waiting until timeout for monitored process [2024-11-25 03:52:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:11,879 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:11,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:11,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:12,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1469)] Ended with exit code 0 [2024-11-25 03:52:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:12,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:12,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:12,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:12,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:12,165 INFO L229 MonitoredProcess]: Starting monitored process 1470 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:12,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1470)] Waiting until timeout for monitored process [2024-11-25 03:52:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:12,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:12,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:12,530 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:12,652 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:12,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1470)] Ended with exit code 0 [2024-11-25 03:52:12,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:12,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:12,658 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:12,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:12,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:12,659 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:12,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:12,660 INFO L229 MonitoredProcess]: Starting monitored process 1471 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:12,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1471)] Waiting until timeout for monitored process [2024-11-25 03:52:12,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:12,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:13,005 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:13,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:13,120 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:13,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1471)] Ended with exit code 0 [2024-11-25 03:52:13,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:13,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:13,126 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:13,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:13,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:13,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:13,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:13,128 INFO L229 MonitoredProcess]: Starting monitored process 1472 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:13,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1472)] Waiting until timeout for monitored process [2024-11-25 03:52:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:13,415 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:13,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:52:13,505 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:13,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:52:13,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1472)] Ended with exit code 0 [2024-11-25 03:52:13,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:13,754 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:13,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:13,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:13,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:13,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:13,755 INFO L229 MonitoredProcess]: Starting monitored process 1473 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:13,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1473)] Waiting until timeout for monitored process [2024-11-25 03:52:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:14,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:14,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:14,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:14,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:14,217 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:14,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1473)] Ended with exit code 0 [2024-11-25 03:52:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:14,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:14,222 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:14,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:14,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:14,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:14,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:14,223 INFO L229 MonitoredProcess]: Starting monitored process 1474 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:14,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1474)] Waiting until timeout for monitored process [2024-11-25 03:52:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:14,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:14,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:52:14,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:14,848 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:52:14,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1474)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:14,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:14,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:14,854 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:14,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:14,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:14,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:14,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:14,856 INFO L229 MonitoredProcess]: Starting monitored process 1475 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:14,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1475)] Waiting until timeout for monitored process [2024-11-25 03:52:15,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:15,165 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:15,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:15,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:15,324 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:15,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1475)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:15,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:15,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:15,330 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:15,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:15,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:15,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:15,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:15,332 INFO L229 MonitoredProcess]: Starting monitored process 1476 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:15,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1476)] Waiting until timeout for monitored process [2024-11-25 03:52:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:15,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:15,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:15,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:15,854 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:15,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1476)] Ended with exit code 0 [2024-11-25 03:52:15,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:15,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:15,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:15,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:15,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:15,863 INFO L229 MonitoredProcess]: Starting monitored process 1477 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:15,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1477)] Waiting until timeout for monitored process [2024-11-25 03:52:16,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:16,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:16,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:16,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:16,416 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:16,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1477)] Ended with exit code 0 [2024-11-25 03:52:16,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:16,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:16,421 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:16,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:16,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:16,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:16,423 INFO L229 MonitoredProcess]: Starting monitored process 1478 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:16,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1478)] Waiting until timeout for monitored process [2024-11-25 03:52:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:16,679 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:16,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:16,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:16,871 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:16,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1478)] Ended with exit code 0 [2024-11-25 03:52:16,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:16,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:16,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:16,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:16,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:16,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:16,878 INFO L229 MonitoredProcess]: Starting monitored process 1479 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:16,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1479)] Waiting until timeout for monitored process [2024-11-25 03:52:17,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:17,122 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:17,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:17,168 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:17,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1479)] Ended with exit code 0 [2024-11-25 03:52:17,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:17,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:17,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:17,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:17,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:17,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:17,287 INFO L229 MonitoredProcess]: Starting monitored process 1480 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:17,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1480)] Waiting until timeout for monitored process [2024-11-25 03:52:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:17,512 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:17,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:17,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:17,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1480)] Ended with exit code 0 [2024-11-25 03:52:17,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:17,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:17,698 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:17,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:17,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:17,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:17,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:17,700 INFO L229 MonitoredProcess]: Starting monitored process 1481 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:17,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1481)] Waiting until timeout for monitored process [2024-11-25 03:52:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:17,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:18,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:18,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:18,113 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:18,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1481)] Ended with exit code 0 [2024-11-25 03:52:18,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:18,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:18,117 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:18,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:18,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:18,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:18,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:18,119 INFO L229 MonitoredProcess]: Starting monitored process 1482 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:18,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1482)] Waiting until timeout for monitored process [2024-11-25 03:52:18,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:18,355 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:18,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:18,408 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:18,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1482)] Ended with exit code 0 [2024-11-25 03:52:18,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:18,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:18,517 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:18,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:18,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:18,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:18,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:18,519 INFO L229 MonitoredProcess]: Starting monitored process 1483 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:18,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1483)] Waiting until timeout for monitored process [2024-11-25 03:52:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:18,749 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:18,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:52:18,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:18,996 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:52:18,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1483)] Ended with exit code 0 [2024-11-25 03:52:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:19,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:19,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:19,001 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:19,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:19,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:19,003 INFO L229 MonitoredProcess]: Starting monitored process 1484 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:19,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1484)] Waiting until timeout for monitored process [2024-11-25 03:52:19,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:19,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:19,313 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:19,313 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:19,435 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:19,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1484)] Ended with exit code 0 [2024-11-25 03:52:19,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:19,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:19,441 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:19,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:19,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:19,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:19,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:19,442 INFO L229 MonitoredProcess]: Starting monitored process 1485 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:19,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1485)] Waiting until timeout for monitored process [2024-11-25 03:52:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:19,705 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:19,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:19,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:19,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:19,909 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:19,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1485)] Ended with exit code 0 [2024-11-25 03:52:19,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:19,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:19,915 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:19,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:19,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:19,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:19,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:19,917 INFO L229 MonitoredProcess]: Starting monitored process 1486 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:19,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1486)] Waiting until timeout for monitored process [2024-11-25 03:52:20,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:20,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:20,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:20,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:20,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:20,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1486)] Ended with exit code 0 [2024-11-25 03:52:20,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:20,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:20,419 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:20,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:20,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:20,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:20,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:20,421 INFO L229 MonitoredProcess]: Starting monitored process 1487 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:20,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1487)] Waiting until timeout for monitored process [2024-11-25 03:52:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:20,699 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:20,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:20,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:20,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1487)] Ended with exit code 0 [2024-11-25 03:52:20,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:20,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:20,899 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:20,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:20,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:20,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:20,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:20,901 INFO L229 MonitoredProcess]: Starting monitored process 1488 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:20,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1488)] Waiting until timeout for monitored process [2024-11-25 03:52:21,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:21,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:21,282 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:21,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:21,402 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:21,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1488)] Ended with exit code 0 [2024-11-25 03:52:21,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:21,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:21,408 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:21,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:21,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:21,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:21,410 INFO L229 MonitoredProcess]: Starting monitored process 1489 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:21,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1489)] Waiting until timeout for monitored process [2024-11-25 03:52:21,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:21,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:21,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:21,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:21,854 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:21,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1489)] Ended with exit code 0 [2024-11-25 03:52:21,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:21,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:21,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:21,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:21,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:21,862 INFO L229 MonitoredProcess]: Starting monitored process 1490 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:21,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1490)] Waiting until timeout for monitored process [2024-11-25 03:52:22,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:22,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:22,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:22,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:22,331 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:22,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1490)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:22,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:22,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:22,337 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:22,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:22,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:22,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:22,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:22,339 INFO L229 MonitoredProcess]: Starting monitored process 1491 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:22,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1491)] Waiting until timeout for monitored process [2024-11-25 03:52:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:22,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:22,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:22,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:22,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:22,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1491)] Ended with exit code 0 [2024-11-25 03:52:22,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:22,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:22,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:22,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:22,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:22,802 INFO L229 MonitoredProcess]: Starting monitored process 1492 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:22,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1492)] Waiting until timeout for monitored process [2024-11-25 03:52:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:23,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:23,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:23,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:23,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1492)] Ended with exit code 0 [2024-11-25 03:52:23,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:23,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:23,261 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:23,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:23,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:23,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:23,263 INFO L229 MonitoredProcess]: Starting monitored process 1493 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:23,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1493)] Waiting until timeout for monitored process [2024-11-25 03:52:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:23,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:23,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:23,594 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:23,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1493)] Ended with exit code 0 [2024-11-25 03:52:23,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:23,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:23,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:23,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:23,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:23,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:23,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:23,712 INFO L229 MonitoredProcess]: Starting monitored process 1494 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:23,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1494)] Waiting until timeout for monitored process [2024-11-25 03:52:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:24,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:24,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:24,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:24,259 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:24,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1494)] Ended with exit code 0 [2024-11-25 03:52:24,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:24,265 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:24,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:24,265 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:24,265 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:24,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:24,269 INFO L229 MonitoredProcess]: Starting monitored process 1495 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:24,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1495)] Waiting until timeout for monitored process [2024-11-25 03:52:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:24,603 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:24,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:24,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:24,835 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:24,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1495)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:24,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:24,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:24,842 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:24,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:24,843 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:24,843 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:24,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:24,845 INFO L229 MonitoredProcess]: Starting monitored process 1496 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:24,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1496)] Waiting until timeout for monitored process [2024-11-25 03:52:25,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:25,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:25,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:25,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:25,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:25,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1496)] Ended with exit code 0 [2024-11-25 03:52:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:25,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:25,472 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:25,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:25,472 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:25,472 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:25,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:25,474 INFO L229 MonitoredProcess]: Starting monitored process 1497 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:25,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1497)] Waiting until timeout for monitored process [2024-11-25 03:52:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:25,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:25,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:25,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:25,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:25,973 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:25,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1497)] Ended with exit code 0 [2024-11-25 03:52:25,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:25,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:25,978 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:25,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:25,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:25,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:25,980 INFO L229 MonitoredProcess]: Starting monitored process 1498 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:25,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1498)] Waiting until timeout for monitored process [2024-11-25 03:52:26,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:26,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:26,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:26,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:26,431 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:26,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1498)] Ended with exit code 0 [2024-11-25 03:52:26,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:26,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:26,438 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:26,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:26,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:26,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:26,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:26,441 INFO L229 MonitoredProcess]: Starting monitored process 1499 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:26,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1499)] Waiting until timeout for monitored process [2024-11-25 03:52:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:26,711 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:26,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:26,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:26,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:26,870 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:26,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1499)] Ended with exit code 0 [2024-11-25 03:52:26,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:26,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:26,875 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:26,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:26,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:26,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:26,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:26,877 INFO L229 MonitoredProcess]: Starting monitored process 1500 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:26,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1500)] Waiting until timeout for monitored process [2024-11-25 03:52:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:27,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:27,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:27,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:27,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:27,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:27,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1500)] Ended with exit code 0 [2024-11-25 03:52:27,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:27,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:27,334 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:27,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:27,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:27,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:27,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:27,336 INFO L229 MonitoredProcess]: Starting monitored process 1501 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:27,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1501)] Waiting until timeout for monitored process [2024-11-25 03:52:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:27,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:27,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:27,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:27,804 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:27,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1501)] Ended with exit code 0 [2024-11-25 03:52:27,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:27,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:27,809 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:27,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:27,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:27,810 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:27,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:27,811 INFO L229 MonitoredProcess]: Starting monitored process 1502 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:27,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1502)] Waiting until timeout for monitored process [2024-11-25 03:52:28,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:28,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:28,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:28,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:28,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:28,273 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:28,276 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1502)] Ended with exit code 0 [2024-11-25 03:52:28,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:28,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:28,279 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:28,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:28,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:28,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:28,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:28,280 INFO L229 MonitoredProcess]: Starting monitored process 1503 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:28,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1503)] Waiting until timeout for monitored process [2024-11-25 03:52:28,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:28,565 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:28,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:28,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:28,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:28,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1503)] Ended with exit code 0 [2024-11-25 03:52:28,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:28,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:28,779 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:28,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:28,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:28,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:28,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:28,781 INFO L229 MonitoredProcess]: Starting monitored process 1504 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:28,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1504)] Waiting until timeout for monitored process [2024-11-25 03:52:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:29,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:29,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:29,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:29,100 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:29,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1504)] Ended with exit code 0 [2024-11-25 03:52:29,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:29,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:29,234 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:29,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:29,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:29,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:29,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:29,236 INFO L229 MonitoredProcess]: Starting monitored process 1505 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:29,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1505)] Waiting until timeout for monitored process [2024-11-25 03:52:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:29,517 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:29,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:29,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:29,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:29,712 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:29,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1505)] Ended with exit code 0 [2024-11-25 03:52:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:29,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:29,718 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:29,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:29,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:29,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:29,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:29,719 INFO L229 MonitoredProcess]: Starting monitored process 1506 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:29,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1506)] Waiting until timeout for monitored process [2024-11-25 03:52:29,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:29,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:30,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:30,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:30,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:30,137 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:30,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1506)] Ended with exit code 0 [2024-11-25 03:52:30,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:30,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:30,142 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:30,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:30,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:30,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:30,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:30,144 INFO L229 MonitoredProcess]: Starting monitored process 1507 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:30,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1507)] Waiting until timeout for monitored process [2024-11-25 03:52:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:30,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:30,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:30,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:30,534 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:30,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1507)] Ended with exit code 0 [2024-11-25 03:52:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:30,539 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:30,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:30,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:30,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:30,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:30,541 INFO L229 MonitoredProcess]: Starting monitored process 1508 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:30,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1508)] Waiting until timeout for monitored process [2024-11-25 03:52:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:30,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:30,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:30,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:30,947 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:30,950 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1508)] Ended with exit code 0 [2024-11-25 03:52:30,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:30,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:30,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:30,952 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:30,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:30,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:30,954 INFO L229 MonitoredProcess]: Starting monitored process 1509 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:30,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1509)] Waiting until timeout for monitored process [2024-11-25 03:52:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:31,193 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:31,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:31,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:31,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1509)] Ended with exit code 0 [2024-11-25 03:52:31,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:31,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:31,340 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:31,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:31,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:31,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:31,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:31,341 INFO L229 MonitoredProcess]: Starting monitored process 1510 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:31,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1510)] Waiting until timeout for monitored process [2024-11-25 03:52:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:31,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:31,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:31,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:31,770 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:31,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1510)] Ended with exit code 0 [2024-11-25 03:52:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:31,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:31,775 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:31,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:31,775 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:31,775 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:31,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:31,776 INFO L229 MonitoredProcess]: Starting monitored process 1511 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:31,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1511)] Waiting until timeout for monitored process [2024-11-25 03:52:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:32,012 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:32,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:32,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:32,234 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:32,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1511)] Ended with exit code 0 [2024-11-25 03:52:32,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:32,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:32,240 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:32,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:32,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:32,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:32,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:32,242 INFO L229 MonitoredProcess]: Starting monitored process 1512 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:32,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1512)] Waiting until timeout for monitored process [2024-11-25 03:52:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:32,497 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:32,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:32,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:32,672 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:32,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1512)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:32,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:32,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:32,678 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:32,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:32,678 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:32,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:32,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:32,680 INFO L229 MonitoredProcess]: Starting monitored process 1513 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:32,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1513)] Waiting until timeout for monitored process [2024-11-25 03:52:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:32,947 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:33,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:33,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:33,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:33,142 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:33,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1513)] Ended with exit code 0 [2024-11-25 03:52:33,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:33,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:33,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:33,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:33,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:33,149 INFO L229 MonitoredProcess]: Starting monitored process 1514 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:33,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1514)] Waiting until timeout for monitored process [2024-11-25 03:52:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:33,450 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:33,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:33,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:33,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:33,659 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:33,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1514)] Ended with exit code 0 [2024-11-25 03:52:33,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:33,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:33,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:33,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:33,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:33,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:33,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:33,666 INFO L229 MonitoredProcess]: Starting monitored process 1515 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:33,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1515)] Waiting until timeout for monitored process [2024-11-25 03:52:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:33,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:34,039 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:34,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:34,153 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:34,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1515)] Ended with exit code 0 [2024-11-25 03:52:34,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:34,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:34,160 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:34,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:34,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:34,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:34,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:34,162 INFO L229 MonitoredProcess]: Starting monitored process 1516 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:34,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1516)] Waiting until timeout for monitored process [2024-11-25 03:52:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:34,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:34,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:34,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:34,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:34,581 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:34,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1516)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:34,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:34,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:34,586 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:34,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:34,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:34,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:34,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:34,588 INFO L229 MonitoredProcess]: Starting monitored process 1517 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:34,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1517)] Waiting until timeout for monitored process [2024-11-25 03:52:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:34,885 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:34,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:34,956 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:35,080 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:35,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1517)] Ended with exit code 0 [2024-11-25 03:52:35,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:35,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:35,086 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:35,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:35,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:35,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:35,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:35,088 INFO L229 MonitoredProcess]: Starting monitored process 1518 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:35,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1518)] Waiting until timeout for monitored process [2024-11-25 03:52:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:35,340 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:35,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:35,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:35,594 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:35,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1518)] Ended with exit code 0 [2024-11-25 03:52:35,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:35,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:35,601 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:35,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:35,602 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:35,602 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:35,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:35,604 INFO L229 MonitoredProcess]: Starting monitored process 1519 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:35,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1519)] Waiting until timeout for monitored process [2024-11-25 03:52:35,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:35,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:35,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:35,995 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:35,995 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:36,120 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:36,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1519)] Ended with exit code 0 [2024-11-25 03:52:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:36,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:36,125 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:36,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:36,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:36,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:36,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:36,127 INFO L229 MonitoredProcess]: Starting monitored process 1520 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:36,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1520)] Waiting until timeout for monitored process [2024-11-25 03:52:36,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:36,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:36,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:36,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:36,574 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:36,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1520)] Ended with exit code 0 [2024-11-25 03:52:36,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:36,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:36,579 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:36,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:36,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:36,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:36,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:36,580 INFO L229 MonitoredProcess]: Starting monitored process 1521 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:36,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1521)] Waiting until timeout for monitored process [2024-11-25 03:52:36,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:36,829 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:36,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:36,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:37,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:37,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1521)] Ended with exit code 0 [2024-11-25 03:52:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:37,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:37,015 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:37,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:37,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:37,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:37,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:37,017 INFO L229 MonitoredProcess]: Starting monitored process 1522 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:37,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1522)] Waiting until timeout for monitored process [2024-11-25 03:52:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:37,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:37,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:37,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:37,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:37,419 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:37,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1522)] Ended with exit code 0 [2024-11-25 03:52:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:37,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:37,425 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:37,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:37,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:37,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:37,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:37,427 INFO L229 MonitoredProcess]: Starting monitored process 1523 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:37,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1523)] Waiting until timeout for monitored process [2024-11-25 03:52:37,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:37,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:37,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:37,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:37,913 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:37,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1523)] Ended with exit code 0 [2024-11-25 03:52:37,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:37,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:37,918 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:37,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:37,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:37,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:37,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:37,920 INFO L229 MonitoredProcess]: Starting monitored process 1524 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:37,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1524)] Waiting until timeout for monitored process [2024-11-25 03:52:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:38,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:38,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:52:38,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:38,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:52:38,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1524)] Ended with exit code 0 [2024-11-25 03:52:38,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:38,526 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:38,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:38,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:38,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:38,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:38,528 INFO L229 MonitoredProcess]: Starting monitored process 1525 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:38,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1525)] Waiting until timeout for monitored process [2024-11-25 03:52:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:38,797 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:38,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:38,842 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:38,975 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:38,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1525)] Ended with exit code 0 [2024-11-25 03:52:38,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:38,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:38,980 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:38,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:38,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:38,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:38,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:38,982 INFO L229 MonitoredProcess]: Starting monitored process 1526 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:38,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1526)] Waiting until timeout for monitored process [2024-11-25 03:52:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:39,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:39,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:39,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:39,446 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:39,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1526)] Ended with exit code 0 [2024-11-25 03:52:39,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:39,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:39,452 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:39,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:39,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:39,452 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:39,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:39,454 INFO L229 MonitoredProcess]: Starting monitored process 1527 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:39,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1527)] Waiting until timeout for monitored process [2024-11-25 03:52:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:39,743 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:39,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:39,827 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:39,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:39,943 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:39,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1527)] Ended with exit code 0 [2024-11-25 03:52:39,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:39,948 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:39,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:39,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:39,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:39,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:39,950 INFO L229 MonitoredProcess]: Starting monitored process 1528 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:39,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1528)] Waiting until timeout for monitored process [2024-11-25 03:52:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:40,210 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:40,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:40,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:40,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:40,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1528)] Ended with exit code 0 [2024-11-25 03:52:40,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:40,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:40,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:40,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:40,419 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:40,419 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:40,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:40,420 INFO L229 MonitoredProcess]: Starting monitored process 1529 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:40,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1529)] Waiting until timeout for monitored process [2024-11-25 03:52:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:40,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:40,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:40,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:40,765 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:40,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:40,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1529)] Ended with exit code 0 [2024-11-25 03:52:40,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:40,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:40,890 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:40,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:40,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:40,890 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:40,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:40,892 INFO L229 MonitoredProcess]: Starting monitored process 1530 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:40,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1530)] Waiting until timeout for monitored process [2024-11-25 03:52:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:41,178 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:41,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:41,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:41,365 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:41,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1530)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:41,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:41,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:41,369 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:41,370 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:41,370 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:41,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:41,371 INFO L229 MonitoredProcess]: Starting monitored process 1531 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:41,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1531)] Waiting until timeout for monitored process [2024-11-25 03:52:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:41,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:41,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:41,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:41,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:41,755 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:41,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1531)] Ended with exit code 0 [2024-11-25 03:52:41,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:41,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:41,761 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:41,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:41,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:41,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:41,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:41,762 INFO L229 MonitoredProcess]: Starting monitored process 1532 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:41,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1532)] Waiting until timeout for monitored process [2024-11-25 03:52:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:41,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:42,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:42,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:42,156 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:42,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1532)] Ended with exit code 0 [2024-11-25 03:52:42,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:42,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:42,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:42,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:42,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:42,163 INFO L229 MonitoredProcess]: Starting monitored process 1533 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:42,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1533)] Waiting until timeout for monitored process [2024-11-25 03:52:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:42,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:42,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:42,440 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:42,552 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:42,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1533)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:42,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:42,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:42,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:42,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:42,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:42,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:42,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:42,559 INFO L229 MonitoredProcess]: Starting monitored process 1534 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:42,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1534)] Waiting until timeout for monitored process [2024-11-25 03:52:42,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:42,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:42,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:42,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:42,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1534)] Ended with exit code 0 [2024-11-25 03:52:42,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:42,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:42,953 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:42,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:42,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:42,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:42,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:42,955 INFO L229 MonitoredProcess]: Starting monitored process 1535 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:42,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1535)] Waiting until timeout for monitored process [2024-11-25 03:52:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:43,182 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:43,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:43,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:43,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:43,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1535)] Ended with exit code 0 [2024-11-25 03:52:43,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:43,355 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:43,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:43,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:43,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:43,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:43,357 INFO L229 MonitoredProcess]: Starting monitored process 1536 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:43,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1536)] Waiting until timeout for monitored process [2024-11-25 03:52:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:43,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:43,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:43,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:43,809 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:43,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1536)] Ended with exit code 0 [2024-11-25 03:52:43,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:43,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:43,815 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:43,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:43,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:43,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:43,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:43,816 INFO L229 MonitoredProcess]: Starting monitored process 1537 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:43,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1537)] Waiting until timeout for monitored process [2024-11-25 03:52:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:44,118 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:44,230 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:44,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:44,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1537)] Ended with exit code 0 [2024-11-25 03:52:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:44,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:44,369 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:44,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:44,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:44,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:44,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:44,370 INFO L229 MonitoredProcess]: Starting monitored process 1538 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:44,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1538)] Waiting until timeout for monitored process [2024-11-25 03:52:44,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:44,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:44,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:44,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:44,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1538)] Ended with exit code 0 [2024-11-25 03:52:44,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:44,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:44,845 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:44,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:44,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:44,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:44,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:44,847 INFO L229 MonitoredProcess]: Starting monitored process 1539 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:44,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1539)] Waiting until timeout for monitored process [2024-11-25 03:52:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:45,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:45,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:52:45,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:45,448 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:52:45,452 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1539)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:45,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:45,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:45,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:45,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:45,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:45,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:45,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:45,461 INFO L229 MonitoredProcess]: Starting monitored process 1540 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:45,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1540)] Waiting until timeout for monitored process [2024-11-25 03:52:45,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:45,839 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:45,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:45,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:46,032 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:46,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1540)] Ended with exit code 0 [2024-11-25 03:52:46,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:46,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:46,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:46,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:46,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:46,040 INFO L229 MonitoredProcess]: Starting monitored process 1541 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:46,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1541)] Waiting until timeout for monitored process [2024-11-25 03:52:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:46,327 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:46,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:46,406 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:46,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:46,524 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:46,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1541)] Ended with exit code 0 [2024-11-25 03:52:46,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:46,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:46,530 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:46,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:46,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:46,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:46,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:46,531 INFO L229 MonitoredProcess]: Starting monitored process 1542 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:46,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1542)] Waiting until timeout for monitored process [2024-11-25 03:52:46,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:46,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:46,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:46,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:46,982 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:46,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1542)] Ended with exit code 0 [2024-11-25 03:52:46,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:46,989 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:46,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:46,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:46,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:46,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:46,990 INFO L229 MonitoredProcess]: Starting monitored process 1543 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:46,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1543)] Waiting until timeout for monitored process [2024-11-25 03:52:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:47,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:47,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:47,326 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:47,461 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:47,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1543)] Ended with exit code 0 [2024-11-25 03:52:47,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:47,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:47,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:47,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:47,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:47,469 INFO L229 MonitoredProcess]: Starting monitored process 1544 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:47,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1544)] Waiting until timeout for monitored process [2024-11-25 03:52:47,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:47,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:47,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:47,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:47,974 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:47,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1544)] Ended with exit code 0 [2024-11-25 03:52:47,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:47,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:47,980 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:47,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:47,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:47,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:47,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:47,982 INFO L229 MonitoredProcess]: Starting monitored process 1545 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:47,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1545)] Waiting until timeout for monitored process [2024-11-25 03:52:48,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:48,275 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:48,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:48,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:48,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1545)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:48,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:48,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:48,470 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:48,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:48,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:48,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:48,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:48,472 INFO L229 MonitoredProcess]: Starting monitored process 1546 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:48,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1546)] Waiting until timeout for monitored process [2024-11-25 03:52:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:48,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:48,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:48,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:52:48,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:49,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:52:49,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1546)] Ended with exit code 0 [2024-11-25 03:52:49,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:49,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:49,067 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:49,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:49,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:49,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:49,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:49,069 INFO L229 MonitoredProcess]: Starting monitored process 1547 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:49,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1547)] Waiting until timeout for monitored process [2024-11-25 03:52:49,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:49,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:49,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:49,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:49,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:49,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1547)] Ended with exit code 0 [2024-11-25 03:52:49,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:49,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:49,498 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:49,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:49,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:49,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:49,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:49,500 INFO L229 MonitoredProcess]: Starting monitored process 1548 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:49,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1548)] Waiting until timeout for monitored process [2024-11-25 03:52:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:49,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:49,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:49,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:49,906 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:49,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1548)] Ended with exit code 0 [2024-11-25 03:52:49,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:49,911 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:49,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:49,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:49,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:49,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:49,913 INFO L229 MonitoredProcess]: Starting monitored process 1549 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:49,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1549)] Waiting until timeout for monitored process [2024-11-25 03:52:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:50,176 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:50,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:50,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:50,354 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:50,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1549)] Ended with exit code 0 [2024-11-25 03:52:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:50,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:50,360 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:50,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:50,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:50,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:50,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:50,362 INFO L229 MonitoredProcess]: Starting monitored process 1550 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:50,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1550)] Waiting until timeout for monitored process [2024-11-25 03:52:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:50,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:50,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:50,720 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:50,858 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:50,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1550)] Ended with exit code 0 [2024-11-25 03:52:50,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:50,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:50,864 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:50,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:50,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:50,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:50,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:50,866 INFO L229 MonitoredProcess]: Starting monitored process 1551 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:50,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1551)] Waiting until timeout for monitored process [2024-11-25 03:52:51,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:51,159 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:51,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:51,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:51,384 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:51,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1551)] Ended with exit code 0 [2024-11-25 03:52:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:51,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:51,389 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:51,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:51,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:51,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:51,391 INFO L229 MonitoredProcess]: Starting monitored process 1552 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:51,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1552)] Waiting until timeout for monitored process [2024-11-25 03:52:51,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:51,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:51,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:51,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:51,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:51,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1552)] Ended with exit code 0 [2024-11-25 03:52:51,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:51,911 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:51,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:51,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:51,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:51,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:51,913 INFO L229 MonitoredProcess]: Starting monitored process 1553 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:51,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1553)] Waiting until timeout for monitored process [2024-11-25 03:52:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:52,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:52,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:52,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:52,371 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:52,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1553)] Ended with exit code 0 [2024-11-25 03:52:52,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:52,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:52,377 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:52,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:52,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:52,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:52,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:52,379 INFO L229 MonitoredProcess]: Starting monitored process 1554 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:52,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1554)] Waiting until timeout for monitored process [2024-11-25 03:52:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:52,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:52,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:52,739 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:52,740 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:52,870 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:52,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1554)] Ended with exit code 0 [2024-11-25 03:52:52,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:52,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:52,876 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:52,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:52,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:52,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:52,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:52,878 INFO L229 MonitoredProcess]: Starting monitored process 1555 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:52,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1555)] Waiting until timeout for monitored process [2024-11-25 03:52:53,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:53,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:53,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:53,236 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:53,409 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:53,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1555)] Ended with exit code 0 [2024-11-25 03:52:53,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:53,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:53,414 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:53,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:53,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:53,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:53,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:53,416 INFO L229 MonitoredProcess]: Starting monitored process 1556 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:53,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1556)] Waiting until timeout for monitored process [2024-11-25 03:52:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:53,705 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:53,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:53,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:53,909 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:53,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1556)] Forceful destruction successful, exit code 0 [2024-11-25 03:52:53,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:53,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:53,914 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:53,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:53,914 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:53,914 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:53,914 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:53,916 INFO L229 MonitoredProcess]: Starting monitored process 1557 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:53,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1557)] Waiting until timeout for monitored process [2024-11-25 03:52:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:54,196 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:54,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:54,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:54,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:54,385 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:54,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1557)] Ended with exit code 0 [2024-11-25 03:52:54,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:54,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:54,391 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:54,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:54,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:54,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:54,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:54,392 INFO L229 MonitoredProcess]: Starting monitored process 1558 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:54,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1558)] Waiting until timeout for monitored process [2024-11-25 03:52:54,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:54,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:54,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:54,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:54,900 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:54,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1558)] Ended with exit code 0 [2024-11-25 03:52:54,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:54,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:54,906 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:54,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:54,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:54,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:54,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:54,908 INFO L229 MonitoredProcess]: Starting monitored process 1559 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:54,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1559)] Waiting until timeout for monitored process [2024-11-25 03:52:55,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:55,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:55,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:55,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:55,383 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:55,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1559)] Ended with exit code 0 [2024-11-25 03:52:55,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:55,388 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:55,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:55,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:55,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:55,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:55,390 INFO L229 MonitoredProcess]: Starting monitored process 1560 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:55,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1560)] Waiting until timeout for monitored process [2024-11-25 03:52:55,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:55,746 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:55,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:55,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:55,984 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:55,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1560)] Ended with exit code 0 [2024-11-25 03:52:55,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:55,988 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:55,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:55,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:55,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:55,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:55,990 INFO L229 MonitoredProcess]: Starting monitored process 1561 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:55,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1561)] Waiting until timeout for monitored process [2024-11-25 03:52:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:56,246 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:56,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:56,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:56,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:56,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1561)] Ended with exit code 0 [2024-11-25 03:52:56,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:56,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:56,420 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:56,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:56,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:56,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:56,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:56,422 INFO L229 MonitoredProcess]: Starting monitored process 1562 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:56,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1562)] Waiting until timeout for monitored process [2024-11-25 03:52:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:56,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:56,756 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:52:56,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:57,003 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:52:57,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1562)] Ended with exit code 0 [2024-11-25 03:52:57,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:57,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:57,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:57,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:57,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:57,011 INFO L229 MonitoredProcess]: Starting monitored process 1563 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:57,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1563)] Waiting until timeout for monitored process [2024-11-25 03:52:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:57,290 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:57,352 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:57,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:57,480 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:57,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1563)] Ended with exit code 0 [2024-11-25 03:52:57,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:57,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:57,485 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:57,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:57,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:57,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:57,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:57,487 INFO L229 MonitoredProcess]: Starting monitored process 1564 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:57,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1564)] Waiting until timeout for monitored process [2024-11-25 03:52:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:57,765 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:57,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:57,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:57,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1564)] Ended with exit code 0 [2024-11-25 03:52:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:57,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:57,958 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:57,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:57,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:57,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:57,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:57,960 INFO L229 MonitoredProcess]: Starting monitored process 1565 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:57,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1565)] Waiting until timeout for monitored process [2024-11-25 03:52:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:58,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:58,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:52:58,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:58,576 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:52:58,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1565)] Ended with exit code 0 [2024-11-25 03:52:58,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:58,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:58,582 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:58,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:58,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:58,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:58,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:58,584 INFO L229 MonitoredProcess]: Starting monitored process 1566 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:58,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1566)] Waiting until timeout for monitored process [2024-11-25 03:52:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:58,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:58,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:58,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:58,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:59,080 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:59,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1566)] Ended with exit code 0 [2024-11-25 03:52:59,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:59,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:59,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:59,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:59,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:59,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:59,087 INFO L229 MonitoredProcess]: Starting monitored process 1567 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:59,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1567)] Waiting until timeout for monitored process [2024-11-25 03:52:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:59,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:59,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:59,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:59,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:52:59,548 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:52:59,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1567)] Ended with exit code 0 [2024-11-25 03:52:59,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:52:59,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:52:59,554 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:52:59,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:52:59,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:52:59,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:52:59,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:52:59,556 INFO L229 MonitoredProcess]: Starting monitored process 1568 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:52:59,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1568)] Waiting until timeout for monitored process [2024-11-25 03:52:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:59,847 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:52:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:52:59,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:52:59,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:00,044 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:00,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1568)] Ended with exit code 0 [2024-11-25 03:53:00,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:00,050 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:00,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:00,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:00,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:00,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:00,052 INFO L229 MonitoredProcess]: Starting monitored process 1569 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:00,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1569)] Waiting until timeout for monitored process [2024-11-25 03:53:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:00,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:00,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:00,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:00,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:00,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1569)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:00,525 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:00,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:00,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:00,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:00,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:00,527 INFO L229 MonitoredProcess]: Starting monitored process 1570 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:00,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1570)] Waiting until timeout for monitored process [2024-11-25 03:53:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:00,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:00,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:00,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:01,123 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:01,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1570)] Ended with exit code 0 [2024-11-25 03:53:01,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:01,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:01,128 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:01,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:01,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:01,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:01,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:01,130 INFO L229 MonitoredProcess]: Starting monitored process 1571 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:01,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1571)] Waiting until timeout for monitored process [2024-11-25 03:53:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:01,397 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:01,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:01,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:01,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:01,729 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:01,732 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1571)] Ended with exit code 0 [2024-11-25 03:53:01,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:01,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:01,734 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:01,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:01,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:01,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:01,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:01,736 INFO L229 MonitoredProcess]: Starting monitored process 1572 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:01,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1572)] Waiting until timeout for monitored process [2024-11-25 03:53:02,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:02,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:02,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:02,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:53:02,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:02,261 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:02,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1572)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:02,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:02,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:02,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:02,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:02,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:02,331 INFO L229 MonitoredProcess]: Starting monitored process 1573 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:02,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1573)] Waiting until timeout for monitored process [2024-11-25 03:53:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:02,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:02,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:02,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:02,812 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:02,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1573)] Ended with exit code 0 [2024-11-25 03:53:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:02,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:02,818 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:02,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:02,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:02,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:02,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:02,820 INFO L229 MonitoredProcess]: Starting monitored process 1574 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:02,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1574)] Waiting until timeout for monitored process [2024-11-25 03:53:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:03,099 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:03,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:03,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:03,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1574)] Ended with exit code 0 [2024-11-25 03:53:03,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:03,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:03,318 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:03,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:03,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:03,318 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:03,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:03,320 INFO L229 MonitoredProcess]: Starting monitored process 1575 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:03,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1575)] Waiting until timeout for monitored process [2024-11-25 03:53:03,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:03,588 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:03,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:03,700 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:03,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:03,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1575)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:03,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:03,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:03,829 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:03,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:03,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:03,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:03,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:03,831 INFO L229 MonitoredProcess]: Starting monitored process 1576 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:03,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1576)] Waiting until timeout for monitored process [2024-11-25 03:53:04,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:04,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:04,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:04,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:04,319 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:04,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1576)] Ended with exit code 0 [2024-11-25 03:53:04,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:04,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:04,325 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:04,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:04,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:04,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:04,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:04,327 INFO L229 MonitoredProcess]: Starting monitored process 1577 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:04,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1577)] Waiting until timeout for monitored process [2024-11-25 03:53:04,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:04,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:04,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:04,665 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:04,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:04,793 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:04,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1577)] Ended with exit code 0 [2024-11-25 03:53:04,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:04,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:04,799 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:04,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:04,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:04,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:04,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:04,801 INFO L229 MonitoredProcess]: Starting monitored process 1578 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:04,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1578)] Waiting until timeout for monitored process [2024-11-25 03:53:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:05,070 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:05,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:05,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:05,242 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:05,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1578)] Ended with exit code 0 [2024-11-25 03:53:05,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:05,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:05,248 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:05,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:05,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:05,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:05,250 INFO L229 MonitoredProcess]: Starting monitored process 1579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:05,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1579)] Waiting until timeout for monitored process [2024-11-25 03:53:05,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:05,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:05,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:05,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:05,885 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:05,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1579)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:05,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:05,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:05,894 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:05,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:05,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:05,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:05,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:05,897 INFO L229 MonitoredProcess]: Starting monitored process 1580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:05,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1580)] Waiting until timeout for monitored process [2024-11-25 03:53:06,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:06,172 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:06,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:06,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:06,378 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:06,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1580)] Ended with exit code 0 [2024-11-25 03:53:06,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:06,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:06,383 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:06,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:06,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:06,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:06,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:06,385 INFO L229 MonitoredProcess]: Starting monitored process 1581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:06,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1581)] Waiting until timeout for monitored process [2024-11-25 03:53:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:06,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:06,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:06,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:06,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:06,868 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:06,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1581)] Ended with exit code 0 [2024-11-25 03:53:06,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:06,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:06,872 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:06,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:06,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:06,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:06,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:06,874 INFO L229 MonitoredProcess]: Starting monitored process 1582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:06,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1582)] Waiting until timeout for monitored process [2024-11-25 03:53:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:07,137 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:07,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:07,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:07,327 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:07,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1582)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:07,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:07,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:07,332 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:07,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:07,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:07,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:07,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:07,334 INFO L229 MonitoredProcess]: Starting monitored process 1583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:07,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1583)] Waiting until timeout for monitored process [2024-11-25 03:53:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:07,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:07,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:07,661 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:07,834 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:07,837 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1583)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:07,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:07,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:07,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:07,840 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:07,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:07,841 INFO L229 MonitoredProcess]: Starting monitored process 1584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:07,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1584)] Waiting until timeout for monitored process [2024-11-25 03:53:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:08,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:08,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:08,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:08,359 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:08,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1584)] Ended with exit code 0 [2024-11-25 03:53:08,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:08,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:08,364 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:08,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:08,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:08,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:08,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:08,366 INFO L229 MonitoredProcess]: Starting monitored process 1585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:08,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1585)] Waiting until timeout for monitored process [2024-11-25 03:53:08,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:08,705 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:08,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:08,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:08,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:08,963 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:08,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1585)] Ended with exit code 0 [2024-11-25 03:53:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:08,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:08,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:08,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:08,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:08,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:08,973 INFO L229 MonitoredProcess]: Starting monitored process 1586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:08,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1586)] Waiting until timeout for monitored process [2024-11-25 03:53:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:09,299 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:09,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:09,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:09,501 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:09,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1586)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:09,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:09,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:09,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:09,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:09,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:09,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:09,509 INFO L229 MonitoredProcess]: Starting monitored process 1587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:09,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1587)] Waiting until timeout for monitored process [2024-11-25 03:53:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:09,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:09,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:09,843 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:09,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:09,978 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:09,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1587)] Ended with exit code 0 [2024-11-25 03:53:09,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:09,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:09,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:09,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:09,986 INFO L229 MonitoredProcess]: Starting monitored process 1588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:09,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1588)] Waiting until timeout for monitored process [2024-11-25 03:53:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:10,256 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:10,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:10,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:10,592 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:10,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1588)] Ended with exit code 0 [2024-11-25 03:53:10,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:10,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:10,598 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:10,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:10,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:10,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:10,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:10,599 INFO L229 MonitoredProcess]: Starting monitored process 1589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:10,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1589)] Waiting until timeout for monitored process [2024-11-25 03:53:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:10,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:10,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:10,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:11,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:11,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1589)] Ended with exit code 0 [2024-11-25 03:53:11,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:11,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:11,054 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:11,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:11,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:11,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:11,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:11,056 INFO L229 MonitoredProcess]: Starting monitored process 1590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:11,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1590)] Waiting until timeout for monitored process [2024-11-25 03:53:11,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:11,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:11,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:11,346 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:11,469 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:11,472 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1590)] Ended with exit code 0 [2024-11-25 03:53:11,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:11,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:11,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:11,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:11,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:11,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:11,477 INFO L229 MonitoredProcess]: Starting monitored process 1591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:11,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1591)] Waiting until timeout for monitored process [2024-11-25 03:53:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:11,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:11,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:11,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:11,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:11,907 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:11,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1591)] Ended with exit code 0 [2024-11-25 03:53:11,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:11,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:11,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:11,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:11,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:11,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:11,914 INFO L229 MonitoredProcess]: Starting monitored process 1592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:11,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1592)] Waiting until timeout for monitored process [2024-11-25 03:53:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:12,176 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:12,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:12,230 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:12,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:12,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1592)] Ended with exit code 0 [2024-11-25 03:53:12,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:12,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:12,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:12,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:12,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:12,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:12,356 INFO L229 MonitoredProcess]: Starting monitored process 1593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:12,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1593)] Waiting until timeout for monitored process [2024-11-25 03:53:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:12,610 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:12,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:12,672 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:12,788 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:12,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1593)] Ended with exit code 0 [2024-11-25 03:53:12,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:12,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:12,794 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:12,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:12,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:12,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:12,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:12,796 INFO L229 MonitoredProcess]: Starting monitored process 1594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:12,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1594)] Waiting until timeout for monitored process [2024-11-25 03:53:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:13,060 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:13,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:13,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:13,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1594)] Ended with exit code 0 [2024-11-25 03:53:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:13,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:13,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:13,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:13,252 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:13,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:13,254 INFO L229 MonitoredProcess]: Starting monitored process 1595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:13,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1595)] Waiting until timeout for monitored process [2024-11-25 03:53:13,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:13,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:13,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:53:13,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:13,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:13,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1595)] Ended with exit code 0 [2024-11-25 03:53:13,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:13,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:13,827 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:13,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:13,827 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:13,827 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:13,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:13,828 INFO L229 MonitoredProcess]: Starting monitored process 1596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:13,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1596)] Waiting until timeout for monitored process [2024-11-25 03:53:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:14,058 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:14,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:14,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:14,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:14,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1596)] Ended with exit code 0 [2024-11-25 03:53:14,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:14,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:14,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:14,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:14,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:14,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:14,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:14,237 INFO L229 MonitoredProcess]: Starting monitored process 1597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:14,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1597)] Waiting until timeout for monitored process [2024-11-25 03:53:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:14,466 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:14,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:14,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:14,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1597)] Ended with exit code 0 [2024-11-25 03:53:14,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:14,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:14,634 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:14,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:14,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:14,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:14,635 INFO L229 MonitoredProcess]: Starting monitored process 1598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:14,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1598)] Waiting until timeout for monitored process [2024-11-25 03:53:14,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:14,868 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:14,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:14,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:15,031 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:15,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1598)] Ended with exit code 0 [2024-11-25 03:53:15,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:15,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:15,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:15,036 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:15,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:15,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:15,037 INFO L229 MonitoredProcess]: Starting monitored process 1599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:15,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1599)] Waiting until timeout for monitored process [2024-11-25 03:53:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:15,275 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:15,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:15,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:15,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:15,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1599)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:15,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:15,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:15,444 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:15,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:15,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:15,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:15,446 INFO L229 MonitoredProcess]: Starting monitored process 1600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:15,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1600)] Waiting until timeout for monitored process [2024-11-25 03:53:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:15,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:15,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:15,806 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:15,806 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:15,928 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:15,931 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1600)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:15,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:15,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:15,933 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:15,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:15,933 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:15,933 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:15,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:15,935 INFO L229 MonitoredProcess]: Starting monitored process 1601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:15,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1601)] Waiting until timeout for monitored process [2024-11-25 03:53:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:16,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:16,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:16,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:16,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:16,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1601)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:16,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:16,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:16,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:16,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:16,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:16,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:16,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:16,389 INFO L229 MonitoredProcess]: Starting monitored process 1602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:16,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1602)] Waiting until timeout for monitored process [2024-11-25 03:53:16,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:16,649 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:16,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:16,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:16,853 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:16,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1602)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:16,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:16,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:16,858 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:16,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:16,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:16,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:16,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:16,860 INFO L229 MonitoredProcess]: Starting monitored process 1603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:16,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1603)] Waiting until timeout for monitored process [2024-11-25 03:53:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:17,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:17,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:17,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:17,323 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:17,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1603)] Ended with exit code 0 [2024-11-25 03:53:17,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:17,329 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:17,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:17,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:17,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:17,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:17,330 INFO L229 MonitoredProcess]: Starting monitored process 1604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:17,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1604)] Waiting until timeout for monitored process [2024-11-25 03:53:17,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:17,577 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:17,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:17,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:17,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:17,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1604)] Ended with exit code 0 [2024-11-25 03:53:17,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:17,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:17,770 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:17,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:17,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:17,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:17,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:17,772 INFO L229 MonitoredProcess]: Starting monitored process 1605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:17,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1605)] Waiting until timeout for monitored process [2024-11-25 03:53:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:18,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:18,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:18,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:18,188 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:18,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1605)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:18,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:18,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:18,193 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:18,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:18,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:18,193 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:18,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:18,195 INFO L229 MonitoredProcess]: Starting monitored process 1606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:18,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1606)] Waiting until timeout for monitored process [2024-11-25 03:53:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:18,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:18,489 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:18,489 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:18,610 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:18,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1606)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:18,616 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:18,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:18,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:18,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:18,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:18,618 INFO L229 MonitoredProcess]: Starting monitored process 1607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:18,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1607)] Waiting until timeout for monitored process [2024-11-25 03:53:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:18,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:18,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:18,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:18,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:19,032 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:19,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1607)] Ended with exit code 0 [2024-11-25 03:53:19,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:19,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:19,037 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:19,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:19,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:19,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:19,039 INFO L229 MonitoredProcess]: Starting monitored process 1608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:19,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1608)] Waiting until timeout for monitored process [2024-11-25 03:53:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:19,279 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:19,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:19,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:19,452 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:19,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1608)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:19,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:19,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:19,457 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:19,457 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:19,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:19,458 INFO L229 MonitoredProcess]: Starting monitored process 1609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:19,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1609)] Waiting until timeout for monitored process [2024-11-25 03:53:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:19,686 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:19,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:19,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:19,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:19,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1609)] Ended with exit code 0 [2024-11-25 03:53:19,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:19,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:19,877 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:19,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:19,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:19,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:19,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:19,879 INFO L229 MonitoredProcess]: Starting monitored process 1610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:19,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1610)] Waiting until timeout for monitored process [2024-11-25 03:53:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:20,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:20,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:20,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:20,438 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:20,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1610)] Ended with exit code 0 [2024-11-25 03:53:20,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:20,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:20,443 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:20,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:20,443 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:20,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:20,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:20,445 INFO L229 MonitoredProcess]: Starting monitored process 1611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:20,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1611)] Waiting until timeout for monitored process [2024-11-25 03:53:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:20,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:20,778 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:20,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:20,900 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:20,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1611)] Ended with exit code 0 [2024-11-25 03:53:20,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:20,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:20,905 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:20,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:20,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:20,905 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:20,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:20,906 INFO L229 MonitoredProcess]: Starting monitored process 1612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:20,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1612)] Waiting until timeout for monitored process [2024-11-25 03:53:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:21,145 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:21,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:21,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:21,324 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:21,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1612)] Ended with exit code 0 [2024-11-25 03:53:21,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:21,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:21,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:21,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:21,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:21,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:21,331 INFO L229 MonitoredProcess]: Starting monitored process 1613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:21,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1613)] Waiting until timeout for monitored process [2024-11-25 03:53:21,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:21,578 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:21,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:21,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:21,897 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:21,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1613)] Ended with exit code 0 [2024-11-25 03:53:21,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:21,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:21,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:21,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:21,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:21,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:21,904 INFO L229 MonitoredProcess]: Starting monitored process 1614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:21,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1614)] Waiting until timeout for monitored process [2024-11-25 03:53:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:22,160 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:22,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:22,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:22,317 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:22,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1614)] Ended with exit code 0 [2024-11-25 03:53:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:22,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:22,322 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:22,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:22,322 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:22,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:22,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:22,324 INFO L229 MonitoredProcess]: Starting monitored process 1615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:22,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1615)] Waiting until timeout for monitored process [2024-11-25 03:53:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:22,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:22,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:22,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:22,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:22,779 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:22,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1615)] Ended with exit code 0 [2024-11-25 03:53:22,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:22,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:22,783 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:22,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:22,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:22,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:22,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:22,785 INFO L229 MonitoredProcess]: Starting monitored process 1616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:22,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1616)] Waiting until timeout for monitored process [2024-11-25 03:53:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:23,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:23,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:23,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:23,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:23,223 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:23,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1616)] Ended with exit code 0 [2024-11-25 03:53:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:23,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:23,228 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:23,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:23,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:23,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:23,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:23,230 INFO L229 MonitoredProcess]: Starting monitored process 1617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:23,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1617)] Waiting until timeout for monitored process [2024-11-25 03:53:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:23,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:23,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:23,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:23,637 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:23,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1617)] Ended with exit code 0 [2024-11-25 03:53:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:23,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:23,641 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:23,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:23,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:23,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:23,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:23,643 INFO L229 MonitoredProcess]: Starting monitored process 1618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:23,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1618)] Waiting until timeout for monitored process [2024-11-25 03:53:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:23,878 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:23,917 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:23,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:24,047 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:24,050 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1618)] Ended with exit code 0 [2024-11-25 03:53:24,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:24,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:24,052 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:24,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:24,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:24,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:24,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:24,054 INFO L229 MonitoredProcess]: Starting monitored process 1619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:24,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1619)] Waiting until timeout for monitored process [2024-11-25 03:53:24,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:24,297 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:24,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:24,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:24,472 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:24,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1619)] Ended with exit code 0 [2024-11-25 03:53:24,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:24,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:24,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:24,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:24,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:24,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:24,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:24,479 INFO L229 MonitoredProcess]: Starting monitored process 1620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:24,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1620)] Waiting until timeout for monitored process [2024-11-25 03:53:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:24,722 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:24,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:24,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:24,898 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:24,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1620)] Ended with exit code 0 [2024-11-25 03:53:24,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:24,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:24,903 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:24,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:24,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:24,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:24,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:24,905 INFO L229 MonitoredProcess]: Starting monitored process 1621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:24,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1621)] Waiting until timeout for monitored process [2024-11-25 03:53:25,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:25,139 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:25,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:25,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:25,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:25,322 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:25,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1621)] Ended with exit code 0 [2024-11-25 03:53:25,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:25,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:25,327 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:25,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:25,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:25,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:25,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:25,329 INFO L229 MonitoredProcess]: Starting monitored process 1622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:25,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1622)] Waiting until timeout for monitored process [2024-11-25 03:53:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:25,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:25,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:25,720 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:25,721 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:25,844 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:25,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1622)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:25,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:25,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:25,850 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:25,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:25,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:25,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:25,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:25,851 INFO L229 MonitoredProcess]: Starting monitored process 1623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:25,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1623)] Waiting until timeout for monitored process [2024-11-25 03:53:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:26,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:26,138 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:26,139 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:26,255 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:26,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1623)] Ended with exit code 0 [2024-11-25 03:53:26,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:26,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:26,259 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:26,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:26,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:26,260 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:26,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:26,261 INFO L229 MonitoredProcess]: Starting monitored process 1624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:26,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1624)] Waiting until timeout for monitored process [2024-11-25 03:53:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:26,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:26,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:26,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:26,717 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:26,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1624)] Ended with exit code 0 [2024-11-25 03:53:26,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:26,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:26,722 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:26,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:26,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:26,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:26,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:26,724 INFO L229 MonitoredProcess]: Starting monitored process 1625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:26,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1625)] Waiting until timeout for monitored process [2024-11-25 03:53:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:26,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:27,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:27,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:27,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:27,153 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:27,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1625)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:27,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:27,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:27,158 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:27,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:27,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:27,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:27,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:27,160 INFO L229 MonitoredProcess]: Starting monitored process 1626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:27,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1626)] Waiting until timeout for monitored process [2024-11-25 03:53:27,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:27,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:27,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:27,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:27,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1626)] Ended with exit code 0 [2024-11-25 03:53:27,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:27,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:27,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:27,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:27,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:27,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:27,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:27,575 INFO L229 MonitoredProcess]: Starting monitored process 1627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:27,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1627)] Waiting until timeout for monitored process [2024-11-25 03:53:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:27,799 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:27,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:27,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:27,961 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:27,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1627)] Ended with exit code 0 [2024-11-25 03:53:27,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:27,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:27,966 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:27,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:27,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:27,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:27,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:27,968 INFO L229 MonitoredProcess]: Starting monitored process 1628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:27,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1628)] Waiting until timeout for monitored process [2024-11-25 03:53:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:28,196 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:28,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:28,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:28,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:28,348 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:28,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1628)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:28,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:28,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:28,353 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:28,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:28,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:28,353 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:28,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:28,355 INFO L229 MonitoredProcess]: Starting monitored process 1629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:28,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1629)] Waiting until timeout for monitored process [2024-11-25 03:53:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:28,585 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:28,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:28,624 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:28,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:28,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1629)] Ended with exit code 0 [2024-11-25 03:53:28,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:28,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:28,741 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:28,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:28,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:28,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:28,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:28,743 INFO L229 MonitoredProcess]: Starting monitored process 1630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:28,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1630)] Waiting until timeout for monitored process [2024-11-25 03:53:28,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:28,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:29,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:29,017 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:29,017 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:29,133 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:29,136 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1630)] Ended with exit code 0 [2024-11-25 03:53:29,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:29,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:29,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:29,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:29,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:29,141 INFO L229 MonitoredProcess]: Starting monitored process 1631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:29,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1631)] Waiting until timeout for monitored process [2024-11-25 03:53:29,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:29,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:29,441 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:29,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:29,548 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:29,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1631)] Ended with exit code 0 [2024-11-25 03:53:29,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:29,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:29,553 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:29,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:29,553 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:29,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:29,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:29,555 INFO L229 MonitoredProcess]: Starting monitored process 1632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:29,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1632)] Waiting until timeout for monitored process [2024-11-25 03:53:29,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:29,789 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:29,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:29,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:29,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:29,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1632)] Ended with exit code 0 [2024-11-25 03:53:29,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:29,971 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:29,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:29,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:29,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:29,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:29,973 INFO L229 MonitoredProcess]: Starting monitored process 1633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:29,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1633)] Waiting until timeout for monitored process [2024-11-25 03:53:30,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:30,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:30,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:30,270 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:30,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1633)] Ended with exit code 0 [2024-11-25 03:53:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:30,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:30,394 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:30,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:30,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:30,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:30,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:30,396 INFO L229 MonitoredProcess]: Starting monitored process 1634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:30,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1634)] Waiting until timeout for monitored process [2024-11-25 03:53:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:30,645 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:30,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:30,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:30,829 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:30,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1634)] Ended with exit code 0 [2024-11-25 03:53:30,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:30,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:30,834 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:30,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:30,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:30,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:30,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:30,836 INFO L229 MonitoredProcess]: Starting monitored process 1635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:30,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1635)] Waiting until timeout for monitored process [2024-11-25 03:53:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:31,084 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:31,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:31,136 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:31,243 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:31,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1635)] Ended with exit code 0 [2024-11-25 03:53:31,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:31,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:31,248 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:31,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:31,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:31,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:31,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:31,250 INFO L229 MonitoredProcess]: Starting monitored process 1636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:31,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1636)] Waiting until timeout for monitored process [2024-11-25 03:53:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:31,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:31,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:31,538 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:31,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:31,652 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:31,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1636)] Ended with exit code 0 [2024-11-25 03:53:31,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:31,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:31,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:31,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:31,658 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:31,658 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:31,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:31,659 INFO L229 MonitoredProcess]: Starting monitored process 1637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:31,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1637)] Waiting until timeout for monitored process [2024-11-25 03:53:31,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:31,906 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:31,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:31,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:31,959 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:32,075 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:32,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1637)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:32,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:32,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:32,080 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:32,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:32,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:32,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:32,081 INFO L229 MonitoredProcess]: Starting monitored process 1638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:32,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1638)] Waiting until timeout for monitored process [2024-11-25 03:53:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:32,325 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:32,361 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:32,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:32,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1638)] Ended with exit code 0 [2024-11-25 03:53:32,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:32,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:32,484 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:32,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:32,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:32,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:32,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:32,486 INFO L229 MonitoredProcess]: Starting monitored process 1639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:32,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1639)] Waiting until timeout for monitored process [2024-11-25 03:53:32,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:32,775 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:32,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:32,826 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:32,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:32,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1639)] Ended with exit code 0 [2024-11-25 03:53:32,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:32,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:32,939 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:32,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:32,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:32,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:32,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:32,941 INFO L229 MonitoredProcess]: Starting monitored process 1640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:32,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1640)] Waiting until timeout for monitored process [2024-11-25 03:53:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:33,181 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:33,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:33,225 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:33,340 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:33,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1640)] Ended with exit code 0 [2024-11-25 03:53:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:33,344 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:33,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:33,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:33,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:33,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:33,346 INFO L229 MonitoredProcess]: Starting monitored process 1641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:33,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1641)] Waiting until timeout for monitored process [2024-11-25 03:53:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:33,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:33,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:33,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:33,856 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:33,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1641)] Ended with exit code 0 [2024-11-25 03:53:33,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:33,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:33,861 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:33,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:33,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:33,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:33,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:33,862 INFO L229 MonitoredProcess]: Starting monitored process 1642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:33,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1642)] Waiting until timeout for monitored process [2024-11-25 03:53:34,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:34,099 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:34,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:34,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:34,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:34,371 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:34,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1642)] Ended with exit code 0 [2024-11-25 03:53:34,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:34,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:34,376 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:34,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:34,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:34,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:34,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:34,378 INFO L229 MonitoredProcess]: Starting monitored process 1643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:34,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1643)] Waiting until timeout for monitored process [2024-11-25 03:53:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:34,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:34,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:34,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:34,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1643)] Ended with exit code 0 [2024-11-25 03:53:34,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:34,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:34,772 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:34,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:34,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:34,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:34,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:34,773 INFO L229 MonitoredProcess]: Starting monitored process 1644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:34,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1644)] Waiting until timeout for monitored process [2024-11-25 03:53:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:35,025 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:35,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:35,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:35,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:35,294 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:35,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1644)] Ended with exit code 0 [2024-11-25 03:53:35,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:35,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:35,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:35,299 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:35,299 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:35,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:35,300 INFO L229 MonitoredProcess]: Starting monitored process 1645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:35,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1645)] Waiting until timeout for monitored process [2024-11-25 03:53:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:35,534 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:35,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:35,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:35,822 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:35,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1645)] Ended with exit code 0 [2024-11-25 03:53:35,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:35,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:35,829 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:35,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:35,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:35,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:35,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:35,832 INFO L229 MonitoredProcess]: Starting monitored process 1646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:35,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1646)] Waiting until timeout for monitored process [2024-11-25 03:53:36,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:36,119 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:36,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:36,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:36,421 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:36,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1646)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:36,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:36,426 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:36,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:36,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:36,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:36,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:36,427 INFO L229 MonitoredProcess]: Starting monitored process 1647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:36,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1647)] Waiting until timeout for monitored process [2024-11-25 03:53:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:36,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:36,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:36,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:36,867 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:36,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1647)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:36,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:36,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:36,872 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:36,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:36,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:36,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:36,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:36,874 INFO L229 MonitoredProcess]: Starting monitored process 1648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:36,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1648)] Waiting until timeout for monitored process [2024-11-25 03:53:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:37,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:37,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:37,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:37,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1648)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:37,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:37,276 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:37,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:37,276 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:37,276 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:37,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:37,278 INFO L229 MonitoredProcess]: Starting monitored process 1649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:37,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1649)] Waiting until timeout for monitored process [2024-11-25 03:53:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:37,521 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:37,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:37,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:37,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1649)] Ended with exit code 0 [2024-11-25 03:53:37,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:37,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:37,679 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:37,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:37,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:37,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:37,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:37,681 INFO L229 MonitoredProcess]: Starting monitored process 1650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:37,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1650)] Waiting until timeout for monitored process [2024-11-25 03:53:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:37,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:38,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:38,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:38,130 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:38,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1650)] Ended with exit code 0 [2024-11-25 03:53:38,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:38,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:38,135 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:38,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:38,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:38,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:38,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:38,137 INFO L229 MonitoredProcess]: Starting monitored process 1651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:38,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1651)] Waiting until timeout for monitored process [2024-11-25 03:53:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:38,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:38,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:38,416 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:38,535 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:38,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1651)] Ended with exit code 0 [2024-11-25 03:53:38,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:38,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:38,539 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:38,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:38,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:38,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:38,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:38,541 INFO L229 MonitoredProcess]: Starting monitored process 1652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:38,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1652)] Waiting until timeout for monitored process [2024-11-25 03:53:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:38,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:38,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:38,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:38,990 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:38,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1652)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:38,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:38,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:38,996 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:38,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:38,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:38,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:38,998 INFO L229 MonitoredProcess]: Starting monitored process 1653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:38,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1653)] Waiting until timeout for monitored process [2024-11-25 03:53:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:39,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:39,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:39,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:39,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1653)] Ended with exit code 0 [2024-11-25 03:53:39,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:39,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:39,425 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:39,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:39,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:39,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:39,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:39,427 INFO L229 MonitoredProcess]: Starting monitored process 1654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:39,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1654)] Waiting until timeout for monitored process [2024-11-25 03:53:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:39,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:39,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:39,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:39,890 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:39,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1654)] Ended with exit code 0 [2024-11-25 03:53:39,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:39,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:39,894 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:39,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:39,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:39,894 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:39,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:39,896 INFO L229 MonitoredProcess]: Starting monitored process 1655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:39,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1655)] Waiting until timeout for monitored process [2024-11-25 03:53:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:40,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:40,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:40,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:40,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1655)] Ended with exit code 0 [2024-11-25 03:53:40,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:40,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:40,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:40,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:40,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:40,299 INFO L229 MonitoredProcess]: Starting monitored process 1656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:40,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1656)] Waiting until timeout for monitored process [2024-11-25 03:53:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:40,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:40,598 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:40,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:40,713 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:40,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1656)] Ended with exit code 0 [2024-11-25 03:53:40,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:40,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:40,719 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:40,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:40,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:40,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:40,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:40,721 INFO L229 MonitoredProcess]: Starting monitored process 1657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:40,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1657)] Waiting until timeout for monitored process [2024-11-25 03:53:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:40,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:41,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:41,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:41,158 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:41,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1657)] Ended with exit code 0 [2024-11-25 03:53:41,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:41,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:41,163 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:41,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:41,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:41,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:41,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:41,165 INFO L229 MonitoredProcess]: Starting monitored process 1658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:41,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1658)] Waiting until timeout for monitored process [2024-11-25 03:53:41,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:41,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:41,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:41,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:41,488 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:41,704 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:41,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1658)] Ended with exit code 0 [2024-11-25 03:53:41,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:41,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:41,709 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:41,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:41,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:41,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:41,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:41,711 INFO L229 MonitoredProcess]: Starting monitored process 1659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:41,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1659)] Waiting until timeout for monitored process [2024-11-25 03:53:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:41,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:42,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:42,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:42,167 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:42,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1659)] Ended with exit code 0 [2024-11-25 03:53:42,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:42,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:42,172 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:42,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:42,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:42,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:42,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:42,174 INFO L229 MonitoredProcess]: Starting monitored process 1660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:42,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1660)] Waiting until timeout for monitored process [2024-11-25 03:53:42,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:42,416 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:42,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:42,485 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:42,612 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:42,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1660)] Ended with exit code 0 [2024-11-25 03:53:42,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:42,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:42,616 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:42,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:42,616 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:42,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:42,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:42,618 INFO L229 MonitoredProcess]: Starting monitored process 1661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:42,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1661)] Waiting until timeout for monitored process [2024-11-25 03:53:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:42,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:42,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:42,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:43,039 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:43,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1661)] Ended with exit code 0 [2024-11-25 03:53:43,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:43,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:43,044 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:43,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:43,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:43,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:43,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:43,046 INFO L229 MonitoredProcess]: Starting monitored process 1662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:43,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1662)] Waiting until timeout for monitored process [2024-11-25 03:53:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:43,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:43,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:43,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:43,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1662)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:43,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:43,675 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:43,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:43,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:43,675 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:43,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:43,677 INFO L229 MonitoredProcess]: Starting monitored process 1663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:43,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1663)] Waiting until timeout for monitored process [2024-11-25 03:53:43,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:43,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:43,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:43,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:44,119 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:44,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1663)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:44,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:44,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:44,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:44,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:44,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:44,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:44,125 INFO L229 MonitoredProcess]: Starting monitored process 1664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:44,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1664)] Waiting until timeout for monitored process [2024-11-25 03:53:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:44,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:44,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:44,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:44,538 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:44,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1664)] Ended with exit code 0 [2024-11-25 03:53:44,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:44,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:44,544 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:44,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:44,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:44,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:44,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:44,546 INFO L229 MonitoredProcess]: Starting monitored process 1665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:44,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1665)] Waiting until timeout for monitored process [2024-11-25 03:53:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:44,785 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:44,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:44,863 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:44,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:44,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:44,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1665)] Ended with exit code 0 [2024-11-25 03:53:44,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:44,996 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:44,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:44,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:44,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:44,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:44,997 INFO L229 MonitoredProcess]: Starting monitored process 1666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:44,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1666)] Waiting until timeout for monitored process [2024-11-25 03:53:45,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:45,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:45,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:45,290 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:45,398 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:45,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1666)] Ended with exit code 0 [2024-11-25 03:53:45,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:45,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:45,403 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:45,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:45,403 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:45,403 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:45,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:45,404 INFO L229 MonitoredProcess]: Starting monitored process 1667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:45,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1667)] Waiting until timeout for monitored process [2024-11-25 03:53:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:45,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:45,847 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:45,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:45,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:45,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1667)] Ended with exit code 0 [2024-11-25 03:53:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:45,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:45,975 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:45,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:45,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:45,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:45,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:45,976 INFO L229 MonitoredProcess]: Starting monitored process 1668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:45,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1668)] Waiting until timeout for monitored process [2024-11-25 03:53:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:46,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:46,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:46,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:46,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:46,537 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:46,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1668)] Ended with exit code 0 [2024-11-25 03:53:46,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:46,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:46,543 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:46,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:46,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:46,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:46,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:46,545 INFO L229 MonitoredProcess]: Starting monitored process 1669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:46,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1669)] Waiting until timeout for monitored process [2024-11-25 03:53:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:46,796 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:46,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:46,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:46,976 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:46,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1669)] Ended with exit code 0 [2024-11-25 03:53:46,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:46,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:46,981 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:46,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:46,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:46,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:46,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:46,982 INFO L229 MonitoredProcess]: Starting monitored process 1670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:46,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1670)] Waiting until timeout for monitored process [2024-11-25 03:53:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:47,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:47,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:47,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:47,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:47,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1670)] Ended with exit code 0 [2024-11-25 03:53:47,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:47,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:47,444 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:47,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:47,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:47,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:47,446 INFO L229 MonitoredProcess]: Starting monitored process 1671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:47,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1671)] Waiting until timeout for monitored process [2024-11-25 03:53:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:47,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:47,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:47,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:47,910 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:47,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1671)] Ended with exit code 0 [2024-11-25 03:53:47,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:47,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:47,915 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:47,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:47,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:47,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:47,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:47,917 INFO L229 MonitoredProcess]: Starting monitored process 1672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:47,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1672)] Waiting until timeout for monitored process [2024-11-25 03:53:48,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:48,195 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:48,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:48,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:48,356 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:48,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1672)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:48,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:48,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:48,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:48,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:48,362 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:48,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:48,363 INFO L229 MonitoredProcess]: Starting monitored process 1673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:48,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1673)] Waiting until timeout for monitored process [2024-11-25 03:53:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:48,615 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:48,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:48,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:48,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1673)] Ended with exit code 0 [2024-11-25 03:53:48,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:48,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:48,938 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:48,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:48,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:48,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:48,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:48,939 INFO L229 MonitoredProcess]: Starting monitored process 1674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:48,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1674)] Waiting until timeout for monitored process [2024-11-25 03:53:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:49,213 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:49,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:49,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:49,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:49,378 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:49,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1674)] Ended with exit code 0 [2024-11-25 03:53:49,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:49,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:49,383 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:49,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:49,383 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:49,383 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:49,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:49,385 INFO L229 MonitoredProcess]: Starting monitored process 1675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:49,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1675)] Waiting until timeout for monitored process [2024-11-25 03:53:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:49,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:49,718 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:49,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:49,950 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:49,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1675)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:49,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:49,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:49,956 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:49,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:49,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:49,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:49,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:49,958 INFO L229 MonitoredProcess]: Starting monitored process 1676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:49,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1676)] Waiting until timeout for monitored process [2024-11-25 03:53:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:50,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:50,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:50,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:50,431 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:50,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1676)] Ended with exit code 0 [2024-11-25 03:53:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:50,437 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:50,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:50,437 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:50,437 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:50,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:50,438 INFO L229 MonitoredProcess]: Starting monitored process 1677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:50,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1677)] Waiting until timeout for monitored process [2024-11-25 03:53:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:50,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:50,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:50,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:50,874 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:50,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1677)] Ended with exit code 0 [2024-11-25 03:53:50,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:50,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:50,878 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:50,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:50,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:50,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:50,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:50,880 INFO L229 MonitoredProcess]: Starting monitored process 1678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:50,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1678)] Waiting until timeout for monitored process [2024-11-25 03:53:51,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:51,136 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:51,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:51,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:51,335 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:51,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1678)] Ended with exit code 0 [2024-11-25 03:53:51,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:51,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:51,340 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:51,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:51,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:51,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:51,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:51,341 INFO L229 MonitoredProcess]: Starting monitored process 1679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:51,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1679)] Waiting until timeout for monitored process [2024-11-25 03:53:51,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:51,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:51,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:51,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:51,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1679)] Ended with exit code 0 [2024-11-25 03:53:51,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:51,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:51,767 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:51,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:51,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:51,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:51,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:51,769 INFO L229 MonitoredProcess]: Starting monitored process 1680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:51,770 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1680)] Waiting until timeout for monitored process [2024-11-25 03:53:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:52,025 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:52,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:52,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:52,085 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:52,204 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:52,207 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1680)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:52,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:52,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:52,209 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:52,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:52,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:52,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:52,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:52,211 INFO L229 MonitoredProcess]: Starting monitored process 1681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:52,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1681)] Waiting until timeout for monitored process [2024-11-25 03:53:52,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:52,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:52,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:52,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:52,643 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:52,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1681)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:52,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:52,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:52,648 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:52,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:52,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:52,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:52,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:52,650 INFO L229 MonitoredProcess]: Starting monitored process 1682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:52,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1682)] Waiting until timeout for monitored process [2024-11-25 03:53:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:52,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:52,952 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:52,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:53,067 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:53,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1682)] Ended with exit code 0 [2024-11-25 03:53:53,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:53,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:53,072 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:53,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:53,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:53,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:53,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:53,074 INFO L229 MonitoredProcess]: Starting monitored process 1683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:53,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1683)] Waiting until timeout for monitored process [2024-11-25 03:53:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:53,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:53,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:53,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:53,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:53,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1683)] Ended with exit code 0 [2024-11-25 03:53:53,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:53,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:53,524 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:53,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:53,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:53,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:53,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:53,526 INFO L229 MonitoredProcess]: Starting monitored process 1684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:53,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1684)] Waiting until timeout for monitored process [2024-11-25 03:53:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:53,803 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:53,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:53,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:53:53,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:54,101 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:53:54,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1684)] Ended with exit code 0 [2024-11-25 03:53:54,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:54,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:54,107 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:54,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:54,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:54,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:54,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:54,109 INFO L229 MonitoredProcess]: Starting monitored process 1685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:54,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1685)] Waiting until timeout for monitored process [2024-11-25 03:53:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:54,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:54,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:54,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:54,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1685)] Ended with exit code 0 [2024-11-25 03:53:54,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:54,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:54,548 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:54,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:54,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:54,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:54,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:54,550 INFO L229 MonitoredProcess]: Starting monitored process 1686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:54,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1686)] Waiting until timeout for monitored process [2024-11-25 03:53:54,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:54,798 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:54,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:54,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:54,967 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:54,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1686)] Ended with exit code 0 [2024-11-25 03:53:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:54,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:54,972 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:54,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:54,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:54,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:54,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:54,974 INFO L229 MonitoredProcess]: Starting monitored process 1687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:54,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1687)] Waiting until timeout for monitored process [2024-11-25 03:53:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:55,217 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:55,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:55,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:55,372 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:55,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1687)] Ended with exit code 0 [2024-11-25 03:53:55,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:55,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:55,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:55,377 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:55,377 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:55,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:55,379 INFO L229 MonitoredProcess]: Starting monitored process 1688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:55,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1688)] Waiting until timeout for monitored process [2024-11-25 03:53:55,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:55,713 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:55,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:55,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:55,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1688)] Ended with exit code 0 [2024-11-25 03:53:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:55,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:55,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:55,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:55,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:55,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:55,921 INFO L229 MonitoredProcess]: Starting monitored process 1689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:55,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1689)] Waiting until timeout for monitored process [2024-11-25 03:53:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:56,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:56,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:56,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:56,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1689)] Ended with exit code 0 [2024-11-25 03:53:56,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:56,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:56,339 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:56,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:56,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:56,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:56,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:56,340 INFO L229 MonitoredProcess]: Starting monitored process 1690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:56,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1690)] Waiting until timeout for monitored process [2024-11-25 03:53:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:56,609 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:56,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:56,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:56,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:56,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1690)] Forceful destruction successful, exit code 0 [2024-11-25 03:53:56,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:56,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:56,772 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:56,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:56,772 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:56,772 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:56,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:56,773 INFO L229 MonitoredProcess]: Starting monitored process 1691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:56,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1691)] Waiting until timeout for monitored process [2024-11-25 03:53:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:57,032 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:57,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:57,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:57,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1691)] Ended with exit code 0 [2024-11-25 03:53:57,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:57,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:57,214 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:57,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:57,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:57,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:57,216 INFO L229 MonitoredProcess]: Starting monitored process 1692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:57,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1692)] Waiting until timeout for monitored process [2024-11-25 03:53:57,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:57,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:57,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:57,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:57,645 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:57,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1692)] Ended with exit code 0 [2024-11-25 03:53:57,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:57,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:57,649 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:57,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:57,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:57,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:57,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:57,651 INFO L229 MonitoredProcess]: Starting monitored process 1693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:57,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1693)] Waiting until timeout for monitored process [2024-11-25 03:53:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:57,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:57,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:57,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:58,084 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:58,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1693)] Ended with exit code 0 [2024-11-25 03:53:58,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:58,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:58,089 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:58,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:58,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:58,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:58,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:58,090 INFO L229 MonitoredProcess]: Starting monitored process 1694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:58,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1694)] Waiting until timeout for monitored process [2024-11-25 03:53:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:58,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:58,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:58,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:58,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:58,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1694)] Ended with exit code 0 [2024-11-25 03:53:58,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:58,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:58,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:58,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:58,547 INFO L229 MonitoredProcess]: Starting monitored process 1695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:58,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1695)] Waiting until timeout for monitored process [2024-11-25 03:53:58,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:58,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:58,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:58,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:58,963 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:58,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1695)] Ended with exit code 0 [2024-11-25 03:53:58,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:58,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:58,968 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:58,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:58,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:58,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:58,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:58,969 INFO L229 MonitoredProcess]: Starting monitored process 1696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:58,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1696)] Waiting until timeout for monitored process [2024-11-25 03:53:59,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:59,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:59,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:59,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:59,374 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:59,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1696)] Ended with exit code 0 [2024-11-25 03:53:59,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:59,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:59,380 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:59,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:59,381 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:59,381 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:59,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:59,382 INFO L229 MonitoredProcess]: Starting monitored process 1697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:59,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1697)] Waiting until timeout for monitored process [2024-11-25 03:53:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:59,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:53:59,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:53:59,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:53:59,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:53:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:53:59,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1697)] Ended with exit code 0 [2024-11-25 03:53:59,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:53:59,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:53:59,859 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:53:59,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:53:59,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:53:59,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:53:59,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:53:59,861 INFO L229 MonitoredProcess]: Starting monitored process 1698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:53:59,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1698)] Waiting until timeout for monitored process [2024-11-25 03:54:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:00,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:00,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:00,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:00,318 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:00,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1698)] Ended with exit code 0 [2024-11-25 03:54:00,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:00,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:00,324 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:00,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:00,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:00,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:00,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:00,326 INFO L229 MonitoredProcess]: Starting monitored process 1699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:00,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1699)] Waiting until timeout for monitored process [2024-11-25 03:54:00,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:00,598 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:00,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:00,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:00,863 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:00,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1699)] Ended with exit code 0 [2024-11-25 03:54:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:00,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:00,868 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:00,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:00,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:00,870 INFO L229 MonitoredProcess]: Starting monitored process 1700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:00,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1700)] Waiting until timeout for monitored process [2024-11-25 03:54:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:01,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:01,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:01,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:01,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:01,319 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:01,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1700)] Ended with exit code 0 [2024-11-25 03:54:01,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:01,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:01,324 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:01,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:01,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:01,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:01,326 INFO L229 MonitoredProcess]: Starting monitored process 1701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:01,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1701)] Waiting until timeout for monitored process [2024-11-25 03:54:01,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:01,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:01,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:01,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:01,749 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:01,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1701)] Ended with exit code 0 [2024-11-25 03:54:01,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:01,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:01,754 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:01,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:01,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:01,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:01,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:01,756 INFO L229 MonitoredProcess]: Starting monitored process 1702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:01,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1702)] Waiting until timeout for monitored process [2024-11-25 03:54:01,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:01,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:02,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:02,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:02,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1702)] Ended with exit code 0 [2024-11-25 03:54:02,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:02,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:02,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:02,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:02,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:02,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:02,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:02,188 INFO L229 MonitoredProcess]: Starting monitored process 1703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:02,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1703)] Waiting until timeout for monitored process [2024-11-25 03:54:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:02,430 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:02,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:02,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:02,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:02,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1703)] Ended with exit code 0 [2024-11-25 03:54:02,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:02,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:02,594 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:02,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:02,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:02,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:02,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:02,596 INFO L229 MonitoredProcess]: Starting monitored process 1704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:02,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1704)] Waiting until timeout for monitored process [2024-11-25 03:54:02,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:02,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:02,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:02,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:03,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:03,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1704)] Ended with exit code 0 [2024-11-25 03:54:03,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:03,055 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:03,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:03,055 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:03,055 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:03,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:03,056 INFO L229 MonitoredProcess]: Starting monitored process 1705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:03,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1705)] Waiting until timeout for monitored process [2024-11-25 03:54:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:03,303 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:03,356 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:03,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:03,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:03,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1705)] Ended with exit code 0 [2024-11-25 03:54:03,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:03,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:03,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:03,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:03,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:03,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:03,473 INFO L229 MonitoredProcess]: Starting monitored process 1706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:03,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1706)] Waiting until timeout for monitored process [2024-11-25 03:54:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:03,712 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:03,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:03,791 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:03,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:03,903 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:03,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1706)] Ended with exit code 0 [2024-11-25 03:54:03,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:03,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:03,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:03,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:03,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:03,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:03,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:03,909 INFO L229 MonitoredProcess]: Starting monitored process 1707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:03,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1707)] Waiting until timeout for monitored process [2024-11-25 03:54:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:04,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:04,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:04,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:04,314 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:04,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1707)] Ended with exit code 0 [2024-11-25 03:54:04,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:04,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:04,319 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:04,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:04,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:04,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:04,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:04,321 INFO L229 MonitoredProcess]: Starting monitored process 1708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:04,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1708)] Waiting until timeout for monitored process [2024-11-25 03:54:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:04,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:04,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:04,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:04,866 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:04,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1708)] Ended with exit code 0 [2024-11-25 03:54:04,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:04,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:04,872 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:04,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:04,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:04,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:04,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:04,874 INFO L229 MonitoredProcess]: Starting monitored process 1709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:04,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1709)] Waiting until timeout for monitored process [2024-11-25 03:54:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:05,111 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:05,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:05,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:05,256 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:05,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1709)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:05,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:05,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:05,261 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:05,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:05,261 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:05,261 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:05,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:05,263 INFO L229 MonitoredProcess]: Starting monitored process 1710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:05,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1710)] Waiting until timeout for monitored process [2024-11-25 03:54:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:05,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:05,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:05,573 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:05,685 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:05,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1710)] Ended with exit code 0 [2024-11-25 03:54:05,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:05,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:05,690 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:05,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:05,690 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:05,690 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:05,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:05,691 INFO L229 MonitoredProcess]: Starting monitored process 1711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:05,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1711)] Waiting until timeout for monitored process [2024-11-25 03:54:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:05,945 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:06,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:06,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:06,135 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:06,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1711)] Ended with exit code 0 [2024-11-25 03:54:06,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:06,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:06,140 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:06,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:06,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:06,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:06,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:06,141 INFO L229 MonitoredProcess]: Starting monitored process 1712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:06,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1712)] Waiting until timeout for monitored process [2024-11-25 03:54:06,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:06,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:06,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:06,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:06,667 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:06,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1712)] Ended with exit code 0 [2024-11-25 03:54:06,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:06,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:06,672 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:06,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:06,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:06,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:06,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:06,674 INFO L229 MonitoredProcess]: Starting monitored process 1713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:06,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1713)] Waiting until timeout for monitored process [2024-11-25 03:54:06,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:06,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:06,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:06,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:07,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:07,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1713)] Ended with exit code 0 [2024-11-25 03:54:07,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:07,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:07,130 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:07,130 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:07,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:07,132 INFO L229 MonitoredProcess]: Starting monitored process 1714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:07,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1714)] Waiting until timeout for monitored process [2024-11-25 03:54:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:07,372 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:07,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:07,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:07,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:07,530 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:07,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1714)] Ended with exit code 0 [2024-11-25 03:54:07,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:07,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:07,534 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:07,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:07,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:07,535 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:07,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:07,536 INFO L229 MonitoredProcess]: Starting monitored process 1715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:07,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1715)] Waiting until timeout for monitored process [2024-11-25 03:54:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:07,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:07,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:07,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:08,016 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:08,018 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1715)] Ended with exit code 0 [2024-11-25 03:54:08,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:08,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:08,020 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:08,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:08,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:08,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:08,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:08,022 INFO L229 MonitoredProcess]: Starting monitored process 1716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:08,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1716)] Waiting until timeout for monitored process [2024-11-25 03:54:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:08,263 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:08,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:08,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:08,440 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:08,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1716)] Ended with exit code 0 [2024-11-25 03:54:08,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:08,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:08,445 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:08,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:08,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:08,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:08,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:08,447 INFO L229 MonitoredProcess]: Starting monitored process 1717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:08,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1717)] Waiting until timeout for monitored process [2024-11-25 03:54:08,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:08,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:08,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:08,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:08,877 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:08,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1717)] Ended with exit code 0 [2024-11-25 03:54:08,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:08,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:08,882 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:08,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:08,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:08,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:08,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:08,884 INFO L229 MonitoredProcess]: Starting monitored process 1718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:08,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1718)] Waiting until timeout for monitored process [2024-11-25 03:54:09,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:09,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:09,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:09,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:09,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:09,298 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:09,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1718)] Ended with exit code 0 [2024-11-25 03:54:09,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:09,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:09,304 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:09,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:09,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:09,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:09,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:09,305 INFO L229 MonitoredProcess]: Starting monitored process 1719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:09,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1719)] Waiting until timeout for monitored process [2024-11-25 03:54:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:09,558 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:09,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:09,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:09,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1719)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:09,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:09,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:09,758 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:09,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:09,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:09,759 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:09,759 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:09,760 INFO L229 MonitoredProcess]: Starting monitored process 1720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:09,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1720)] Waiting until timeout for monitored process [2024-11-25 03:54:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:10,001 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:10,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:10,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:10,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1720)] Ended with exit code 0 [2024-11-25 03:54:10,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:10,178 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:10,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:10,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:10,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:10,179 INFO L229 MonitoredProcess]: Starting monitored process 1721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:10,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1721)] Waiting until timeout for monitored process [2024-11-25 03:54:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:10,419 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:10,473 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:10,473 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:10,710 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:10,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1721)] Ended with exit code 0 [2024-11-25 03:54:10,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:10,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:10,714 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:10,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:10,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:10,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:10,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:10,716 INFO L229 MonitoredProcess]: Starting monitored process 1722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:10,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1722)] Waiting until timeout for monitored process [2024-11-25 03:54:10,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:10,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:11,021 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:11,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:11,279 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:11,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1722)] Ended with exit code 0 [2024-11-25 03:54:11,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:11,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:11,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:11,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:11,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:11,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:11,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:11,286 INFO L229 MonitoredProcess]: Starting monitored process 1723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:11,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1723)] Waiting until timeout for monitored process [2024-11-25 03:54:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:11,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:11,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:11,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:11,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:11,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1723)] Ended with exit code 0 [2024-11-25 03:54:11,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:11,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:11,716 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:11,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:11,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:11,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:11,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:11,717 INFO L229 MonitoredProcess]: Starting monitored process 1724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:11,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1724)] Waiting until timeout for monitored process [2024-11-25 03:54:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:11,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:12,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:12,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:12,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1724)] Ended with exit code 0 [2024-11-25 03:54:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:12,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:12,163 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:12,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:12,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:12,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:12,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:12,165 INFO L229 MonitoredProcess]: Starting monitored process 1725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:12,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1725)] Waiting until timeout for monitored process [2024-11-25 03:54:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:12,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:12,445 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:12,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:12,561 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:12,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1725)] Ended with exit code 0 [2024-11-25 03:54:12,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:12,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:12,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:12,566 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:12,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:12,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:12,567 INFO L229 MonitoredProcess]: Starting monitored process 1726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:12,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1726)] Waiting until timeout for monitored process [2024-11-25 03:54:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:12,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:12,850 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:12,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:12,961 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:12,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1726)] Ended with exit code 0 [2024-11-25 03:54:12,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:12,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:12,967 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:12,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:12,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:12,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:12,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:12,970 INFO L229 MonitoredProcess]: Starting monitored process 1727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:12,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1727)] Waiting until timeout for monitored process [2024-11-25 03:54:13,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:13,219 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:13,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:13,267 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:13,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1727)] Ended with exit code 0 [2024-11-25 03:54:13,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:13,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:13,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:13,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:13,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:13,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:13,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:13,387 INFO L229 MonitoredProcess]: Starting monitored process 1728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:13,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1728)] Waiting until timeout for monitored process [2024-11-25 03:54:13,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:13,636 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:13,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:13,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:13,922 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:13,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1728)] Ended with exit code 0 [2024-11-25 03:54:13,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:13,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:13,927 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:13,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:13,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:13,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:13,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:13,928 INFO L229 MonitoredProcess]: Starting monitored process 1729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:13,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1729)] Waiting until timeout for monitored process [2024-11-25 03:54:14,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:14,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:14,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:14,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:14,439 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:14,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1729)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:14,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:14,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:14,444 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:14,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:14,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:14,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:14,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:14,445 INFO L229 MonitoredProcess]: Starting monitored process 1730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:14,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1730)] Waiting until timeout for monitored process [2024-11-25 03:54:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:14,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:14,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:14,730 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:14,841 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:14,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1730)] Ended with exit code 0 [2024-11-25 03:54:14,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:14,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:14,847 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:14,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:14,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:14,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:14,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:14,849 INFO L229 MonitoredProcess]: Starting monitored process 1731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:14,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1731)] Waiting until timeout for monitored process [2024-11-25 03:54:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:15,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:15,183 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:15,184 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:15,296 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:15,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1731)] Ended with exit code 0 [2024-11-25 03:54:15,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:15,301 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:15,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:15,302 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:15,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:15,303 INFO L229 MonitoredProcess]: Starting monitored process 1732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:15,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1732)] Waiting until timeout for monitored process [2024-11-25 03:54:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:15,545 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:15,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:15,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:15,713 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:15,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1732)] Ended with exit code 0 [2024-11-25 03:54:15,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:15,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:15,718 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:15,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:15,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:15,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:15,720 INFO L229 MonitoredProcess]: Starting monitored process 1733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:15,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1733)] Waiting until timeout for monitored process [2024-11-25 03:54:15,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:15,956 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:16,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:16,008 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:16,123 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:16,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1733)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:16,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:16,127 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:16,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:16,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:16,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:16,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:16,129 INFO L229 MonitoredProcess]: Starting monitored process 1734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:16,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1734)] Waiting until timeout for monitored process [2024-11-25 03:54:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:16,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:16,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:16,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:16,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1734)] Ended with exit code 0 [2024-11-25 03:54:16,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:16,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:16,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:16,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:16,649 INFO L229 MonitoredProcess]: Starting monitored process 1735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:16,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1735)] Waiting until timeout for monitored process [2024-11-25 03:54:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:16,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:16,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:16,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:17,031 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:17,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1735)] Ended with exit code 0 [2024-11-25 03:54:17,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:17,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:17,035 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:17,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:17,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:17,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:17,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:17,037 INFO L229 MonitoredProcess]: Starting monitored process 1736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:17,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1736)] Waiting until timeout for monitored process [2024-11-25 03:54:17,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:17,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:17,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:17,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:17,436 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:17,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1736)] Ended with exit code 0 [2024-11-25 03:54:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:17,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:17,441 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:17,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:17,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:17,441 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:17,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:17,442 INFO L229 MonitoredProcess]: Starting monitored process 1737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:17,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1737)] Waiting until timeout for monitored process [2024-11-25 03:54:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:17,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:17,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:17,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:17,862 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:17,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1737)] Ended with exit code 0 [2024-11-25 03:54:17,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:17,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:17,867 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:17,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:17,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:17,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:17,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:17,869 INFO L229 MonitoredProcess]: Starting monitored process 1738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:17,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1738)] Waiting until timeout for monitored process [2024-11-25 03:54:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:18,106 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:18,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:18,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:18,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1738)] Ended with exit code 0 [2024-11-25 03:54:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:18,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:18,276 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:18,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:18,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:18,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:18,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:18,278 INFO L229 MonitoredProcess]: Starting monitored process 1739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:18,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1739)] Waiting until timeout for monitored process [2024-11-25 03:54:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:18,517 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:18,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:18,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:18,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:18,689 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:18,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1739)] Ended with exit code 0 [2024-11-25 03:54:18,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:18,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:18,693 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:18,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:18,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:18,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:18,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:18,695 INFO L229 MonitoredProcess]: Starting monitored process 1740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:18,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1740)] Waiting until timeout for monitored process [2024-11-25 03:54:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:18,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:19,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:19,009 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:19,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1740)] Ended with exit code 0 [2024-11-25 03:54:19,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:19,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:19,137 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:19,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:19,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:19,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:19,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:19,138 INFO L229 MonitoredProcess]: Starting monitored process 1741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:19,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1741)] Waiting until timeout for monitored process [2024-11-25 03:54:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:19,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:19,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:19,521 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:19,656 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:19,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1741)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:19,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:19,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:19,661 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:19,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:19,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:19,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:19,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:19,663 INFO L229 MonitoredProcess]: Starting monitored process 1742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:19,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1742)] Waiting until timeout for monitored process [2024-11-25 03:54:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:19,922 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:19,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:19,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:20,089 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:20,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1742)] Ended with exit code 0 [2024-11-25 03:54:20,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:20,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:20,093 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:20,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:20,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:20,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:20,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:20,095 INFO L229 MonitoredProcess]: Starting monitored process 1743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:20,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1743)] Waiting until timeout for monitored process [2024-11-25 03:54:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:20,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:20,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:20,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:20,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:20,549 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:20,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1743)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:20,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:20,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:20,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:20,554 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:20,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:20,556 INFO L229 MonitoredProcess]: Starting monitored process 1744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:20,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1744)] Waiting until timeout for monitored process [2024-11-25 03:54:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:20,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:20,866 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:20,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:21,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1744)] Ended with exit code 0 [2024-11-25 03:54:21,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:21,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:21,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:21,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:21,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:21,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:21,021 INFO L229 MonitoredProcess]: Starting monitored process 1745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:21,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1745)] Waiting until timeout for monitored process [2024-11-25 03:54:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:21,277 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:21,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:21,334 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:21,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:21,472 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:21,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1745)] Ended with exit code 0 [2024-11-25 03:54:21,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:21,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:21,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:21,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:21,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:21,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:21,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:21,479 INFO L229 MonitoredProcess]: Starting monitored process 1746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:21,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1746)] Waiting until timeout for monitored process [2024-11-25 03:54:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:21,738 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:21,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:21,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:21,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:21,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1746)] Ended with exit code 0 [2024-11-25 03:54:21,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:21,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:21,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:21,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:21,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:21,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:21,927 INFO L229 MonitoredProcess]: Starting monitored process 1747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:21,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1747)] Waiting until timeout for monitored process [2024-11-25 03:54:22,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:22,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:22,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:22,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:22,322 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:22,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1747)] Ended with exit code 0 [2024-11-25 03:54:22,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:22,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:22,327 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:22,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:22,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:22,327 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:22,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:22,329 INFO L229 MonitoredProcess]: Starting monitored process 1748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:22,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1748)] Waiting until timeout for monitored process [2024-11-25 03:54:22,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:22,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:22,614 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:22,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:22,876 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:22,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1748)] Ended with exit code 0 [2024-11-25 03:54:22,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:22,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:22,881 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:22,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:22,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:22,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:22,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:22,883 INFO L229 MonitoredProcess]: Starting monitored process 1749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:22,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1749)] Waiting until timeout for monitored process [2024-11-25 03:54:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:23,161 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:23,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:23,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-25 03:54:23,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:23,369 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:23,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1749)] Ended with exit code 0 [2024-11-25 03:54:23,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:23,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:23,430 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:23,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:23,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:23,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:23,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:23,431 INFO L229 MonitoredProcess]: Starting monitored process 1750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:23,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1750)] Waiting until timeout for monitored process [2024-11-25 03:54:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:23,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:23,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:23,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:23,878 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:23,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1750)] Ended with exit code 0 [2024-11-25 03:54:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:23,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:23,883 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:23,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:23,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:23,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:23,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:23,885 INFO L229 MonitoredProcess]: Starting monitored process 1751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:23,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1751)] Waiting until timeout for monitored process [2024-11-25 03:54:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:24,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:24,209 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:24,210 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:24,325 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:24,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1751)] Ended with exit code 0 [2024-11-25 03:54:24,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:24,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:24,330 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:24,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:24,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:24,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:24,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:24,332 INFO L229 MonitoredProcess]: Starting monitored process 1752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:24,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1752)] Waiting until timeout for monitored process [2024-11-25 03:54:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:24,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:24,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:24,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:24,958 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1752)] Ended with exit code 0 [2024-11-25 03:54:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:24,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:24,962 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:24,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:24,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:24,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:24,965 INFO L229 MonitoredProcess]: Starting monitored process 1753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:24,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1753)] Waiting until timeout for monitored process [2024-11-25 03:54:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:25,374 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:25,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:25,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:25,935 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:25,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1753)] Ended with exit code 0 [2024-11-25 03:54:25,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:25,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:25,952 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:25,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:25,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:25,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:25,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:25,956 INFO L229 MonitoredProcess]: Starting monitored process 1754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:25,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1754)] Waiting until timeout for monitored process [2024-11-25 03:54:26,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:26,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:26,347 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:26,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:26,687 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:26,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1754)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:26,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:26,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:26,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:26,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:26,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:26,694 INFO L229 MonitoredProcess]: Starting monitored process 1755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:26,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1755)] Waiting until timeout for monitored process [2024-11-25 03:54:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:26,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:27,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:27,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:27,182 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:27,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1755)] Ended with exit code 0 [2024-11-25 03:54:27,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:27,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:27,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:27,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:27,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:27,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:27,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:27,189 INFO L229 MonitoredProcess]: Starting monitored process 1756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:27,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1756)] Waiting until timeout for monitored process [2024-11-25 03:54:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:27,440 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:27,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:27,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:27,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:27,736 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:27,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1756)] Ended with exit code 0 [2024-11-25 03:54:27,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:27,742 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:27,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:27,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:27,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:27,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:27,743 INFO L229 MonitoredProcess]: Starting monitored process 1757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:27,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1757)] Waiting until timeout for monitored process [2024-11-25 03:54:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:28,035 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:28,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:28,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:28,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:28,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1757)] Ended with exit code 0 [2024-11-25 03:54:28,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:28,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:28,219 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:28,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:28,219 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:28,219 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:28,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:28,220 INFO L229 MonitoredProcess]: Starting monitored process 1758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:28,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1758)] Waiting until timeout for monitored process [2024-11-25 03:54:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:28,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:28,558 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:28,559 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:28,693 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:28,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1758)] Ended with exit code 0 [2024-11-25 03:54:28,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:28,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:28,698 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:28,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:28,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:28,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:28,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:28,700 INFO L229 MonitoredProcess]: Starting monitored process 1759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:28,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1759)] Waiting until timeout for monitored process [2024-11-25 03:54:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:28,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:29,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:29,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:29,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:29,233 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:29,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1759)] Ended with exit code 0 [2024-11-25 03:54:29,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:29,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:29,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:29,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:29,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:29,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:29,240 INFO L229 MonitoredProcess]: Starting monitored process 1760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:29,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1760)] Waiting until timeout for monitored process [2024-11-25 03:54:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:29,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:29,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:29,561 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:29,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:29,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1760)] Ended with exit code 0 [2024-11-25 03:54:29,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:29,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:29,694 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:29,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:29,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:29,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:29,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:29,695 INFO L229 MonitoredProcess]: Starting monitored process 1761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:29,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1761)] Waiting until timeout for monitored process [2024-11-25 03:54:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:29,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:30,083 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:30,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:30,231 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:30,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1761)] Ended with exit code 0 [2024-11-25 03:54:30,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:30,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:30,236 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:30,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:30,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:30,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:30,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:30,238 INFO L229 MonitoredProcess]: Starting monitored process 1762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:30,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1762)] Waiting until timeout for monitored process [2024-11-25 03:54:30,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:30,502 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:30,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:30,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:30,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:30,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1762)] Ended with exit code 0 [2024-11-25 03:54:30,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:30,694 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:30,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:30,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:30,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:30,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:30,696 INFO L229 MonitoredProcess]: Starting monitored process 1763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:30,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1763)] Waiting until timeout for monitored process [2024-11-25 03:54:30,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:30,954 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:31,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:31,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:31,033 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:31,139 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:31,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1763)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:31,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:31,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:31,144 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:31,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:31,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:31,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:31,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:31,146 INFO L229 MonitoredProcess]: Starting monitored process 1764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:31,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1764)] Waiting until timeout for monitored process [2024-11-25 03:54:31,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:31,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:31,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:31,425 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:31,426 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:31,585 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:31,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1764)] Ended with exit code 0 [2024-11-25 03:54:31,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:31,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:31,591 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:31,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:31,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:31,591 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:31,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:31,592 INFO L229 MonitoredProcess]: Starting monitored process 1765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:31,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1765)] Waiting until timeout for monitored process [2024-11-25 03:54:31,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:31,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:31,873 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:31,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:31,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:31,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1765)] Ended with exit code 0 [2024-11-25 03:54:31,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:31,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:31,994 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:31,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:31,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:31,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:31,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:31,996 INFO L229 MonitoredProcess]: Starting monitored process 1766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:31,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1766)] Waiting until timeout for monitored process [2024-11-25 03:54:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:32,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:32,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:32,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:32,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:32,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1766)] Ended with exit code 0 [2024-11-25 03:54:32,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:32,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:32,420 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:32,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:32,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:32,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:32,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:32,422 INFO L229 MonitoredProcess]: Starting monitored process 1767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:32,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1767)] Waiting until timeout for monitored process [2024-11-25 03:54:32,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:32,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:32,698 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:32,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:32,816 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:32,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1767)] Ended with exit code 0 [2024-11-25 03:54:32,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:32,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:32,821 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:32,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:32,821 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:32,821 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:32,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:32,823 INFO L229 MonitoredProcess]: Starting monitored process 1768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:32,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1768)] Waiting until timeout for monitored process [2024-11-25 03:54:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:33,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:33,108 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:33,108 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:33,253 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:33,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1768)] Ended with exit code 0 [2024-11-25 03:54:33,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:33,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:33,259 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:33,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:33,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:33,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:33,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:33,260 INFO L229 MonitoredProcess]: Starting monitored process 1769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:33,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1769)] Waiting until timeout for monitored process [2024-11-25 03:54:33,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:33,504 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:33,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:33,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:33,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:33,710 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:33,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1769)] Ended with exit code 0 [2024-11-25 03:54:33,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:33,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:33,715 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:33,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:33,716 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:33,716 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:33,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:33,717 INFO L229 MonitoredProcess]: Starting monitored process 1770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:33,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1770)] Waiting until timeout for monitored process [2024-11-25 03:54:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:33,993 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:34,071 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:34,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:34,344 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:34,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1770)] Ended with exit code 0 [2024-11-25 03:54:34,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:34,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:34,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:34,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:34,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:34,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:34,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:34,351 INFO L229 MonitoredProcess]: Starting monitored process 1771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:34,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1771)] Waiting until timeout for monitored process [2024-11-25 03:54:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:34,616 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:34,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:34,692 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:34,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1771)] Ended with exit code 0 [2024-11-25 03:54:34,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:34,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:34,829 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:34,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:34,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:34,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:34,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:34,831 INFO L229 MonitoredProcess]: Starting monitored process 1772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:34,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1772)] Waiting until timeout for monitored process [2024-11-25 03:54:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:35,102 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:35,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:35,141 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:35,280 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:35,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1772)] Ended with exit code 0 [2024-11-25 03:54:35,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:35,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:35,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:35,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:35,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:35,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:35,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:35,286 INFO L229 MonitoredProcess]: Starting monitored process 1773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:35,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1773)] Waiting until timeout for monitored process [2024-11-25 03:54:35,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:35,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:35,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:35,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:35,893 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:35,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1773)] Ended with exit code 0 [2024-11-25 03:54:35,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:35,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:35,901 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:35,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:35,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:35,901 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:35,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:35,905 INFO L229 MonitoredProcess]: Starting monitored process 1774 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:35,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1774)] Waiting until timeout for monitored process [2024-11-25 03:54:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:36,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:36,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:36,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:36,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:36,533 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:36,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1774)] Ended with exit code 0 [2024-11-25 03:54:36,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:36,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:36,540 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:36,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:36,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:36,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:36,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:36,542 INFO L229 MonitoredProcess]: Starting monitored process 1775 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:36,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1775)] Waiting until timeout for monitored process [2024-11-25 03:54:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:36,856 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:36,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:36,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:37,103 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:37,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1775)] Ended with exit code 0 [2024-11-25 03:54:37,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:37,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:37,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:37,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:37,108 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:37,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:37,110 INFO L229 MonitoredProcess]: Starting monitored process 1776 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:37,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1776)] Waiting until timeout for monitored process [2024-11-25 03:54:37,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:37,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:37,520 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:37,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:37,643 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:37,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1776)] Ended with exit code 0 [2024-11-25 03:54:37,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:37,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:37,648 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:37,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:37,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:37,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:37,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:37,650 INFO L229 MonitoredProcess]: Starting monitored process 1777 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:37,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1777)] Waiting until timeout for monitored process [2024-11-25 03:54:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:37,972 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:38,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:38,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:38,173 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:38,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1777)] Ended with exit code 0 [2024-11-25 03:54:38,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:38,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:38,179 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:38,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:38,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:38,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:38,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:38,181 INFO L229 MonitoredProcess]: Starting monitored process 1778 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:38,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1778)] Waiting until timeout for monitored process [2024-11-25 03:54:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:38,502 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:38,561 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:38,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:38,679 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:38,682 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1778)] Ended with exit code 0 [2024-11-25 03:54:38,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:38,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:38,684 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:38,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:38,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:38,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:38,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:38,686 INFO L229 MonitoredProcess]: Starting monitored process 1779 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:38,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1779)] Waiting until timeout for monitored process [2024-11-25 03:54:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:38,947 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:39,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:39,044 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:39,330 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:39,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1779)] Ended with exit code 0 [2024-11-25 03:54:39,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:39,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:39,337 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:39,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:39,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:39,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:39,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:39,339 INFO L229 MonitoredProcess]: Starting monitored process 1780 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:39,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1780)] Waiting until timeout for monitored process [2024-11-25 03:54:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:39,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:39,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:39,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:39,732 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:39,850 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:39,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1780)] Ended with exit code 0 [2024-11-25 03:54:39,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:39,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:39,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:39,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:39,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:39,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:39,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:39,858 INFO L229 MonitoredProcess]: Starting monitored process 1781 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:39,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1781)] Waiting until timeout for monitored process [2024-11-25 03:54:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:40,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:40,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:40,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:40,558 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:40,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1781)] Ended with exit code 0 [2024-11-25 03:54:40,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:40,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:40,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:40,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:40,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:40,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:40,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:40,567 INFO L229 MonitoredProcess]: Starting monitored process 1782 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:40,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1782)] Waiting until timeout for monitored process [2024-11-25 03:54:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:40,929 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:40,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:40,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:41,144 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:41,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1782)] Ended with exit code 0 [2024-11-25 03:54:41,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:41,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:41,151 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:41,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:41,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:41,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:41,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:41,153 INFO L229 MonitoredProcess]: Starting monitored process 1783 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:41,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1783)] Waiting until timeout for monitored process [2024-11-25 03:54:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:41,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:41,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:41,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:41,663 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:41,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1783)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:41,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:41,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:41,669 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:41,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:41,669 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:41,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:41,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:41,670 INFO L229 MonitoredProcess]: Starting monitored process 1784 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:41,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1784)] Waiting until timeout for monitored process [2024-11-25 03:54:41,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:41,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:41,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:41,999 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:42,131 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:42,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1784)] Ended with exit code 0 [2024-11-25 03:54:42,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:42,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:42,136 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:42,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:42,137 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:42,137 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:42,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:42,138 INFO L229 MonitoredProcess]: Starting monitored process 1785 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:42,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1785)] Waiting until timeout for monitored process [2024-11-25 03:54:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:42,438 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:42,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:42,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:42,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:42,601 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:42,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1785)] Ended with exit code 0 [2024-11-25 03:54:42,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:42,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:42,607 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:42,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:42,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:42,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:42,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:42,608 INFO L229 MonitoredProcess]: Starting monitored process 1786 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:42,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1786)] Waiting until timeout for monitored process [2024-11-25 03:54:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:42,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:42,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:42,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:43,025 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:43,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1786)] Ended with exit code 0 [2024-11-25 03:54:43,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:43,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:43,030 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:43,030 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:43,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:43,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:43,032 INFO L229 MonitoredProcess]: Starting monitored process 1787 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:43,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1787)] Waiting until timeout for monitored process [2024-11-25 03:54:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:43,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:43,335 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:43,336 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:43,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1787)] Ended with exit code 0 [2024-11-25 03:54:43,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:43,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:43,454 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:43,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:43,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:43,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:43,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:43,456 INFO L229 MonitoredProcess]: Starting monitored process 1788 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:43,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1788)] Waiting until timeout for monitored process [2024-11-25 03:54:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:43,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:43,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:43,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:43,853 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:43,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1788)] Ended with exit code 0 [2024-11-25 03:54:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:43,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:43,858 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:43,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:43,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:43,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:43,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:43,860 INFO L229 MonitoredProcess]: Starting monitored process 1789 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:43,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1789)] Waiting until timeout for monitored process [2024-11-25 03:54:44,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:44,091 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:44,154 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:44,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:44,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1789)] Ended with exit code 0 [2024-11-25 03:54:44,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:44,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:44,266 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:44,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:44,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:44,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:44,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:44,267 INFO L229 MonitoredProcess]: Starting monitored process 1790 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:44,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1790)] Waiting until timeout for monitored process [2024-11-25 03:54:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:44,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:44,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:44,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:44,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1790)] Ended with exit code 0 [2024-11-25 03:54:44,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:44,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:44,722 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:44,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:44,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:44,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:44,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:44,724 INFO L229 MonitoredProcess]: Starting monitored process 1791 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:44,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1791)] Waiting until timeout for monitored process [2024-11-25 03:54:44,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:44,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:45,004 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:45,005 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:45,154 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:45,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1791)] Ended with exit code 0 [2024-11-25 03:54:45,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:45,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:45,158 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:45,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:45,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:45,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:45,160 INFO L229 MonitoredProcess]: Starting monitored process 1792 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:45,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1792)] Waiting until timeout for monitored process [2024-11-25 03:54:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:45,423 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:45,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:45,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:45,579 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:45,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1792)] Ended with exit code 0 [2024-11-25 03:54:45,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:45,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:45,583 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:45,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:45,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:45,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:45,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:45,585 INFO L229 MonitoredProcess]: Starting monitored process 1793 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:45,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1793)] Waiting until timeout for monitored process [2024-11-25 03:54:45,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:45,856 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:45,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:45,900 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:46,023 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:46,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1793)] Ended with exit code 0 [2024-11-25 03:54:46,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:46,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:46,028 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:46,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:46,028 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:46,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:46,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:46,030 INFO L229 MonitoredProcess]: Starting monitored process 1794 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:46,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1794)] Waiting until timeout for monitored process [2024-11-25 03:54:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:46,314 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:46,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:46,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:46,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:46,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1794)] Ended with exit code 0 [2024-11-25 03:54:46,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:46,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:46,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:46,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:46,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:46,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:46,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:46,560 INFO L229 MonitoredProcess]: Starting monitored process 1795 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:46,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1795)] Waiting until timeout for monitored process [2024-11-25 03:54:46,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:46,903 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:46,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:46,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:46,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:47,247 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:47,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1795)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:47,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:47,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:47,254 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:47,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:47,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:47,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:47,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:47,256 INFO L229 MonitoredProcess]: Starting monitored process 1796 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:47,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1796)] Waiting until timeout for monitored process [2024-11-25 03:54:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:47,557 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:47,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:47,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:47,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:47,741 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:47,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1796)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:47,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:47,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:47,746 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:47,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:47,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:47,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:47,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:47,748 INFO L229 MonitoredProcess]: Starting monitored process 1797 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:47,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1797)] Waiting until timeout for monitored process [2024-11-25 03:54:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:48,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:48,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:48,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:48,398 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:48,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1797)] Ended with exit code 0 [2024-11-25 03:54:48,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:48,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:48,406 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:48,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:48,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:48,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:48,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:48,408 INFO L229 MonitoredProcess]: Starting monitored process 1798 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:48,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1798)] Waiting until timeout for monitored process [2024-11-25 03:54:48,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:48,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:48,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:48,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:49,048 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:49,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1798)] Ended with exit code 0 [2024-11-25 03:54:49,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:49,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:49,053 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:49,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:49,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:49,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:49,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:49,055 INFO L229 MonitoredProcess]: Starting monitored process 1799 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:49,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1799)] Waiting until timeout for monitored process [2024-11-25 03:54:49,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:49,323 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:49,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:49,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:49,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:49,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1799)] Ended with exit code 0 [2024-11-25 03:54:49,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:49,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:49,529 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:49,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:49,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:49,529 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:49,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:49,531 INFO L229 MonitoredProcess]: Starting monitored process 1800 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:49,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1800)] Waiting until timeout for monitored process [2024-11-25 03:54:49,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:49,784 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:49,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:49,857 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:49,968 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:49,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1800)] Ended with exit code 0 [2024-11-25 03:54:49,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:49,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:49,974 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:49,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:49,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:49,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:49,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:49,976 INFO L229 MonitoredProcess]: Starting monitored process 1801 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:49,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1801)] Waiting until timeout for monitored process [2024-11-25 03:54:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:50,235 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:50,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:50,278 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:50,397 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:50,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1801)] Ended with exit code 0 [2024-11-25 03:54:50,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:50,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:50,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:50,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:50,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:50,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:50,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:50,404 INFO L229 MonitoredProcess]: Starting monitored process 1802 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:50,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1802)] Waiting until timeout for monitored process [2024-11-25 03:54:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:50,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:50,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:50,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:50,729 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:50,887 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:50,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1802)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:50,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:50,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:50,892 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:50,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:50,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:50,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:50,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:50,893 INFO L229 MonitoredProcess]: Starting monitored process 1803 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:50,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1803)] Waiting until timeout for monitored process [2024-11-25 03:54:51,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:51,151 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:51,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:51,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:51,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1803)] Ended with exit code 0 [2024-11-25 03:54:51,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:51,358 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:51,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:51,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:51,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:51,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:51,360 INFO L229 MonitoredProcess]: Starting monitored process 1804 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:51,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1804)] Waiting until timeout for monitored process [2024-11-25 03:54:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:51,631 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:51,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:51,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:51,854 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:51,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1804)] Ended with exit code 0 [2024-11-25 03:54:51,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:51,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:51,859 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:51,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:51,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:51,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:51,861 INFO L229 MonitoredProcess]: Starting monitored process 1805 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:51,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1805)] Waiting until timeout for monitored process [2024-11-25 03:54:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:52,121 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:52,171 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:52,172 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:52,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:52,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1805)] Ended with exit code 0 [2024-11-25 03:54:52,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:52,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:52,296 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:52,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:52,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:52,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:52,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:52,298 INFO L229 MonitoredProcess]: Starting monitored process 1806 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:52,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1806)] Waiting until timeout for monitored process [2024-11-25 03:54:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:52,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:52,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:52,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:52,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1806)] Ended with exit code 0 [2024-11-25 03:54:52,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:52,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:52,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:52,891 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:52,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:52,893 INFO L229 MonitoredProcess]: Starting monitored process 1807 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:52,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1807)] Waiting until timeout for monitored process [2024-11-25 03:54:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:53,138 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:53,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:53,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:53,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:53,310 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:53,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1807)] Ended with exit code 0 [2024-11-25 03:54:53,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:53,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:53,315 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:53,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:53,315 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:53,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:53,316 INFO L229 MonitoredProcess]: Starting monitored process 1808 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:53,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1808)] Waiting until timeout for monitored process [2024-11-25 03:54:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:53,575 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:53,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:53,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:53,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:53,801 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:53,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1808)] Ended with exit code 0 [2024-11-25 03:54:53,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:53,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:53,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:53,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:53,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:53,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:53,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:53,807 INFO L229 MonitoredProcess]: Starting monitored process 1809 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:53,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1809)] Waiting until timeout for monitored process [2024-11-25 03:54:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:54,056 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:54,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:54,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:54,225 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:54,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1809)] Ended with exit code 0 [2024-11-25 03:54:54,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:54,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:54,230 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:54,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:54,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:54,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:54,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:54,232 INFO L229 MonitoredProcess]: Starting monitored process 1810 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:54,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1810)] Waiting until timeout for monitored process [2024-11-25 03:54:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:54,474 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:54,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:54,542 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:54,654 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:54,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1810)] Ended with exit code 0 [2024-11-25 03:54:54,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:54,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:54,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:54,660 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:54,660 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:54,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:54,661 INFO L229 MonitoredProcess]: Starting monitored process 1811 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:54,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1811)] Waiting until timeout for monitored process [2024-11-25 03:54:54,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:54,975 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:55,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:55,036 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:55,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1811)] Ended with exit code 0 [2024-11-25 03:54:55,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:55,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:55,152 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:55,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:55,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:55,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:55,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:55,154 INFO L229 MonitoredProcess]: Starting monitored process 1812 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:55,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1812)] Waiting until timeout for monitored process [2024-11-25 03:54:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:55,390 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:55,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:55,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:55,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:55,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1812)] Ended with exit code 0 [2024-11-25 03:54:55,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:55,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:55,555 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:55,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:55,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:55,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:55,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:55,557 INFO L229 MonitoredProcess]: Starting monitored process 1813 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:55,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1813)] Waiting until timeout for monitored process [2024-11-25 03:54:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:55,809 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:55,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:55,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:55,974 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:55,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1813)] Ended with exit code 0 [2024-11-25 03:54:55,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:55,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:55,980 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:55,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:55,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:55,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:55,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:55,981 INFO L229 MonitoredProcess]: Starting monitored process 1814 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:55,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1814)] Waiting until timeout for monitored process [2024-11-25 03:54:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:56,235 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:56,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:56,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:56,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1814)] Ended with exit code 0 [2024-11-25 03:54:56,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:56,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:56,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:56,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:56,627 INFO L229 MonitoredProcess]: Starting monitored process 1815 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:56,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1815)] Waiting until timeout for monitored process [2024-11-25 03:54:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:56,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:56,908 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:56,909 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:57,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:57,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1815)] Ended with exit code 0 [2024-11-25 03:54:57,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:57,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:57,024 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:57,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:57,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:57,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:57,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:57,026 INFO L229 MonitoredProcess]: Starting monitored process 1816 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:57,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1816)] Waiting until timeout for monitored process [2024-11-25 03:54:57,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:57,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:57,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:54:57,298 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:57,525 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:54:57,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1816)] Ended with exit code 0 [2024-11-25 03:54:57,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:57,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:57,529 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:57,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:57,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:57,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:57,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:57,531 INFO L229 MonitoredProcess]: Starting monitored process 1817 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:57,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1817)] Waiting until timeout for monitored process [2024-11-25 03:54:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:57,768 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:57,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:57,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:57,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:57,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:57,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1817)] Ended with exit code 0 [2024-11-25 03:54:57,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:57,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:57,943 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:57,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:57,943 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:57,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:57,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:57,944 INFO L229 MonitoredProcess]: Starting monitored process 1818 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:57,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1818)] Waiting until timeout for monitored process [2024-11-25 03:54:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:58,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:58,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:58,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:58,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:58,354 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:58,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1818)] Forceful destruction successful, exit code 0 [2024-11-25 03:54:58,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:58,358 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:58,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:58,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:58,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:58,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:58,360 INFO L229 MonitoredProcess]: Starting monitored process 1819 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:58,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1819)] Waiting until timeout for monitored process [2024-11-25 03:54:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:58,685 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:58,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:58,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:58,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1819)] Ended with exit code 0 [2024-11-25 03:54:58,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:58,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:58,947 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:58,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:58,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:58,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:58,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:58,949 INFO L229 MonitoredProcess]: Starting monitored process 1820 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:58,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1820)] Waiting until timeout for monitored process [2024-11-25 03:54:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:59,223 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:59,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:59,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:59,280 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:59,394 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:59,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1820)] Ended with exit code 0 [2024-11-25 03:54:59,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:59,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:59,400 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:59,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:59,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:59,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:59,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:59,402 INFO L229 MonitoredProcess]: Starting monitored process 1821 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:59,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1821)] Waiting until timeout for monitored process [2024-11-25 03:54:59,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:59,656 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:54:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:54:59,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:54:59,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:54:59,825 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:54:59,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1821)] Ended with exit code 0 [2024-11-25 03:54:59,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:54:59,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:54:59,830 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:54:59,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:54:59,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:54:59,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:54:59,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:54:59,832 INFO L229 MonitoredProcess]: Starting monitored process 1822 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:54:59,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1822)] Waiting until timeout for monitored process [2024-11-25 03:55:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:00,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:00,115 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:00,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:00,229 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:00,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1822)] Ended with exit code 0 [2024-11-25 03:55:00,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:00,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:00,235 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:00,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:00,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:00,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:00,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:00,236 INFO L229 MonitoredProcess]: Starting monitored process 1823 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:00,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1823)] Waiting until timeout for monitored process [2024-11-25 03:55:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:00,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:00,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:00,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:00,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:00,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1823)] Forceful destruction successful, exit code 0 [2024-11-25 03:55:00,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:00,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:00,662 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:00,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:00,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:00,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:00,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:00,664 INFO L229 MonitoredProcess]: Starting monitored process 1824 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:00,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1824)] Waiting until timeout for monitored process [2024-11-25 03:55:00,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:00,971 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:01,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:01,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:01,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:01,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1824)] Ended with exit code 0 [2024-11-25 03:55:01,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:01,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:01,192 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:01,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:01,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:01,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:01,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:01,193 INFO L229 MonitoredProcess]: Starting monitored process 1825 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:01,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1825)] Waiting until timeout for monitored process [2024-11-25 03:55:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:01,428 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:01,476 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:01,477 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:01,585 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:01,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1825)] Ended with exit code 0 [2024-11-25 03:55:01,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:01,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:01,590 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:01,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:01,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:01,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:01,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:01,592 INFO L229 MonitoredProcess]: Starting monitored process 1826 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:01,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1826)] Waiting until timeout for monitored process [2024-11-25 03:55:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:01,838 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:01,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:55:01,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:02,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:55:02,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1826)] Ended with exit code 0 [2024-11-25 03:55:02,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:02,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:02,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:02,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:02,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:02,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:02,176 INFO L229 MonitoredProcess]: Starting monitored process 1827 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:02,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1827)] Waiting until timeout for monitored process [2024-11-25 03:55:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:02,514 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:02,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:02,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:02,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:02,813 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:02,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1827)] Forceful destruction successful, exit code 0 [2024-11-25 03:55:02,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:02,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:02,818 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:02,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:02,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:02,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:02,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:02,820 INFO L229 MonitoredProcess]: Starting monitored process 1828 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:02,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1828)] Waiting until timeout for monitored process [2024-11-25 03:55:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:03,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:03,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:03,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:03,412 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:03,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1828)] Ended with exit code 0 [2024-11-25 03:55:03,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:03,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:03,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:03,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:03,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:03,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:03,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:03,419 INFO L229 MonitoredProcess]: Starting monitored process 1829 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:03,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1829)] Waiting until timeout for monitored process [2024-11-25 03:55:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:03,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:03,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:03,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:03,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:03,976 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:03,979 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1829)] Ended with exit code 0 [2024-11-25 03:55:03,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:03,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:03,981 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:03,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:03,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:03,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:03,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:03,983 INFO L229 MonitoredProcess]: Starting monitored process 1830 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:03,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1830)] Waiting until timeout for monitored process [2024-11-25 03:55:04,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:04,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:04,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:04,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:04,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:04,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1830)] Ended with exit code 0 [2024-11-25 03:55:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:04,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:04,420 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:04,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:04,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:04,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:04,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:04,421 INFO L229 MonitoredProcess]: Starting monitored process 1831 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:04,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1831)] Waiting until timeout for monitored process [2024-11-25 03:55:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:04,676 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:04,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:04,759 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:04,905 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:04,909 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1831)] Forceful destruction successful, exit code 0 [2024-11-25 03:55:04,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:04,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:04,911 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:04,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:04,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:04,911 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:04,911 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:04,912 INFO L229 MonitoredProcess]: Starting monitored process 1832 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:04,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1832)] Waiting until timeout for monitored process [2024-11-25 03:55:05,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:05,275 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:05,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:05,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:05,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:05,480 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:05,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1832)] Ended with exit code 0 [2024-11-25 03:55:05,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:05,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:05,486 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:05,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:05,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:05,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:05,488 INFO L229 MonitoredProcess]: Starting monitored process 1833 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:05,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1833)] Waiting until timeout for monitored process [2024-11-25 03:55:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:05,838 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:05,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:05,931 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:05,932 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:06,091 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:06,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1833)] Ended with exit code 0 [2024-11-25 03:55:06,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:06,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:06,096 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:06,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:06,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:06,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:06,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:06,098 INFO L229 MonitoredProcess]: Starting monitored process 1834 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:06,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1834)] Waiting until timeout for monitored process [2024-11-25 03:55:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:06,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:06,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:06,424 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:06,424 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:06,542 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:06,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1834)] Forceful destruction successful, exit code 0 [2024-11-25 03:55:06,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:06,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:06,547 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:06,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:06,547 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:06,547 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:06,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:06,549 INFO L229 MonitoredProcess]: Starting monitored process 1835 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:06,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1835)] Waiting until timeout for monitored process [2024-11-25 03:55:06,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:06,823 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:06,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:55:06,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:07,204 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:55:07,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1835)] Ended with exit code 0 [2024-11-25 03:55:07,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:07,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:07,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:07,210 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:07,210 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:07,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:07,211 INFO L229 MonitoredProcess]: Starting monitored process 1836 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:07,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1836)] Waiting until timeout for monitored process [2024-11-25 03:55:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:07,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:07,514 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:07,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:07,639 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:07,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1836)] Ended with exit code 0 [2024-11-25 03:55:07,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:07,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:07,644 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:07,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:07,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:07,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:07,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:07,646 INFO L229 MonitoredProcess]: Starting monitored process 1837 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:07,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1837)] Waiting until timeout for monitored process [2024-11-25 03:55:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:07,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:08,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:55:08,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:08,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:55:08,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1837)] Ended with exit code 0 [2024-11-25 03:55:08,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:08,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:08,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:08,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:08,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:08,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:08,337 INFO L229 MonitoredProcess]: Starting monitored process 1838 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:08,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1838)] Waiting until timeout for monitored process [2024-11-25 03:55:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:08,636 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:08,759 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:08,760 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:08,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1838)] Ended with exit code 0 [2024-11-25 03:55:08,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:08,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:08,923 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:08,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:08,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:08,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:08,925 INFO L229 MonitoredProcess]: Starting monitored process 1839 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:08,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1839)] Waiting until timeout for monitored process [2024-11-25 03:55:09,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:09,203 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:09,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:55:09,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:09,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:55:09,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1839)] Ended with exit code 0 [2024-11-25 03:55:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:09,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:09,460 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:09,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:09,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:09,460 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:09,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:09,462 INFO L229 MonitoredProcess]: Starting monitored process 1840 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:09,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1840)] Waiting until timeout for monitored process [2024-11-25 03:55:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:09,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:09,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 03:55:09,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:09,965 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:55:09,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1840)] Forceful destruction successful, exit code 0 [2024-11-25 03:55:09,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:09,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:09,970 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:09,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:09,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:09,970 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:09,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:09,972 INFO L229 MonitoredProcess]: Starting monitored process 1841 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:09,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1841)] Waiting until timeout for monitored process [2024-11-25 03:55:10,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:10,199 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 03:55:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:55:10,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 03:55:10,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:55:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-25 03:55:10,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1841)] Ended with exit code 0 [2024-11-25 03:55:10,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:55:10,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-11-25 03:55:10,355 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-11-25 03:55:10,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 03:55:10,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:55:10,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 03:55:10,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 03:55:10,357 INFO L229 MonitoredProcess]: Starting monitored process 1842 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 03:55:10,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_26c62b6d-786b-4de9-af36-936974c2fe75/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (1842)] Waiting until timeout for monitored process