./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm --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 f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:44:15,027 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:44:15,122 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:44:15,128 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:44:15,129 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:44:15,163 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:44:15,164 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:44:15,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:44:15,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:44:15,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:44:15,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:44:15,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:44:15,167 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:44:15,167 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:44:15,167 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:44:15,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:44:15,169 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:44:15,169 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:44:15,169 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:44:15,169 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:44:15,169 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:44:15,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:44:15,170 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:44:15,170 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:44:15,170 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:44:15,170 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:44:15,170 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:44:15,170 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:15,170 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:44:15,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:44:15,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:44:15,171 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:44:15,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:44:15,171 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_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm 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 -> f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 [2024-11-13 20:44:15,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:44:15,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:44:15,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:44:15,522 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:44:15,523 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:44:15,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i Unable to find full path for "g++" [2024-11-13 20:44:17,404 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:44:17,717 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:44:17,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2024-11-13 20:44:17,727 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/data/0d7bbc4c4/bb37709de9af4ea3a0e159d6e2e85cd4/FLAGf3b9095aa [2024-11-13 20:44:17,741 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/data/0d7bbc4c4/bb37709de9af4ea3a0e159d6e2e85cd4 [2024-11-13 20:44:17,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:44:17,746 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:44:17,747 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:17,747 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:44:17,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:44:17,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:17" (1/1) ... [2024-11-13 20:44:17,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122bb139 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:17, skipping insertion in model container [2024-11-13 20:44:17,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:17" (1/1) ... [2024-11-13 20:44:17,772 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:44:17,941 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_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i[915,928] [2024-11-13 20:44:17,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:18,013 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:44:18,026 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_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i[915,928] [2024-11-13 20:44:18,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:18,063 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:44:18,064 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18 WrapperNode [2024-11-13 20:44:18,064 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:18,065 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:18,066 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:44:18,066 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:44:18,073 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,084 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,123 INFO L138 Inliner]: procedures = 26, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 106 [2024-11-13 20:44:18,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:18,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:44:18,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:44:18,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:44:18,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,147 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,151 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,157 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:44:18,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:44:18,168 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:44:18,168 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:44:18,169 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:18,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:44:18,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:44:18,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:44:18,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:44:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:44:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:44:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:44:18,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:44:18,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:44:18,318 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:44:18,320 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:44:18,676 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-13 20:44:18,676 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:44:18,891 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:44:18,891 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:44:18,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:18 BoogieIcfgContainer [2024-11-13 20:44:18,892 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:44:18,893 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:44:18,893 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:44:18,905 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:44:18,905 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:18" (1/1) ... [2024-11-13 20:44:18,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:44:18,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 20:44:18,970 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 20:44:18,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:44:18,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:18,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:44:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:19,354 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:19,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:44:19,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:44:19,736 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 20:44:19,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:44:19 ImpRootNode [2024-11-13 20:44:19,804 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:44:19,808 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:44:19,808 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:44:19,809 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:44:19,810 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:18" (3/4) ... [2024-11-13 20:44:19,812 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:44:19,813 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:44:19,815 INFO L158 Benchmark]: Toolchain (without parser) took 2069.08ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 65.3MB in the end (delta: 28.1MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB. [2024-11-13 20:44:19,816 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:19,816 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.57ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 81.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:44:19,816 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.40ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:44:19,820 INFO L158 Benchmark]: Boogie Preprocessor took 38.83ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:19,821 INFO L158 Benchmark]: RCFGBuilder took 728.36ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 50.6MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 20:44:19,821 INFO L158 Benchmark]: CodeCheck took 911.62ms. Allocated memory is still 117.4MB. Free memory was 50.6MB in the beginning and 65.4MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:19,821 INFO L158 Benchmark]: Witness Printer took 5.62ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 65.3MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:44:19,825 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 43 NumberOfCodeBlocks, 43 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 - 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 40, overapproximation of someBinaryFLOATComparisonOperation at line 72, overapproximation of bitwiseOr at line 44. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -8; [L23] signed char var_1_10 = -64; [L24] unsigned char var_1_11 = 0; [L25] unsigned char var_1_12 = 0; [L26] unsigned char var_1_13 = 1; [L27] unsigned char var_1_14 = 0; [L28] unsigned char var_1_15 = 0; [L29] signed long int var_1_16 = -16; [L30] float var_1_17 = 3.5; [L31] float var_1_18 = 128.45; [L32] unsigned long int var_1_19 = 50; [L33] unsigned long int var_1_20 = 25; [L84] isInitial = 1 [L85] FCALL initially() [L86] COND TRUE 1 [L87] FCALL updateLastVariables() [L88] CALL updateVariables() [L59] var_1_10 = __VERIFIER_nondet_char() [L60] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L60] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L61] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L61] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L62] var_1_12 = __VERIFIER_nondet_uchar() [L63] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L64] CALL assume_abort_if_not(var_1_12 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(var_1_12 <= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L65] var_1_14 = __VERIFIER_nondet_uchar() [L66] CALL assume_abort_if_not(var_1_14 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_14 >= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L67] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=0, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L68] var_1_15 = __VERIFIER_nondet_uchar() [L69] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L70] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_18=2569/20, var_1_19=50, var_1_1=-8, var_1_20=25] [L71] var_1_18 = __VERIFIER_nondet_float() [L72] CALL assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not((var_1_18 >= -922337.2036854765600e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=25] [L73] var_1_20 = __VERIFIER_nondet_ulong() [L74] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L20] COND FALSE !(!cond) [L74] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8] [L75] CALL assume_abort_if_not(var_1_20 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=2147483648] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_20 <= 4294967294) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-16, var_1_17=7/2, var_1_19=50, var_1_1=-8, var_1_20=2147483648] [L88] RET updateVariables() [L89] CALL step() [L37] var_1_13 = (var_1_14 && var_1_15) [L38] var_1_17 = var_1_18 [L39] var_1_19 = var_1_20 [L40] COND FALSE !((- (var_1_17 + var_1_17)) > var_1_17) [L43] var_1_16 = var_1_19 [L44] EXPR var_1_16 | var_1_19 [L44] COND FALSE !(((var_1_16 | var_1_19) > var_1_16) && var_1_11) [L55] var_1_1 = var_1_10 [L89] RET step() [L90] CALL, EXPR property() [L80] EXPR var_1_16 | var_1_19 [L80-L81] return ((((((((var_1_16 | var_1_19) > var_1_16) && var_1_11) ? (((var_1_19 != -16) && (var_1_17 <= (var_1_17 + var_1_17))) ? ((var_1_17 > var_1_17) ? (var_1_1 == ((signed char) var_1_10)) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) : (var_1_1 == ((signed char) var_1_10))) && (((- (var_1_17 + var_1_17)) > var_1_17) ? (var_1_11 == ((unsigned char) var_1_12)) : 1)) && (var_1_13 == ((unsigned char) (var_1_14 && var_1_15)))) && (var_1_16 == ((signed long int) var_1_19))) && (var_1_17 == ((float) var_1_18))) && (var_1_19 == ((unsigned long int) var_1_20)) ; [L90] RET, EXPR property() [L90] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=2, var_1_18=2, var_1_19=2147483648, var_1_1=-127, var_1_20=2147483648] [L19] reach_error() VAL [isInitial=1, var_1_10=-127, var_1_11=0, var_1_12=-256, var_1_13=1, var_1_14=1, var_1_15=1, var_1_16=-2147483648, var_1_17=2, var_1_18=2, var_1_19=2147483648, var_1_1=-127, var_1_20=2147483648] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 167.8MB. Free memory is still 103.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.57ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 81.2MB in the end (delta: 12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.40ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 79.4MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.83ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 78.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 728.36ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 50.6MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 911.62ms. Allocated memory is still 117.4MB. Free memory was 50.6MB in the beginning and 65.4MB in the end (delta: -14.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.62ms. Allocated memory is still 117.4MB. Free memory was 65.4MB in the beginning and 65.3MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:44:19,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/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_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm --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 f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:44:22,550 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:44:22,669 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:44:22,720 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:44:22,721 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:44:22,722 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:44:22,722 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:44:22,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:44:22,723 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:44:22,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:44:22,723 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:44:22,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:44:22,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:44:22,723 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:44:22,724 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:44:22,724 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:44:22,724 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:44:22,724 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:44:22,724 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:44:22,724 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:44:22,724 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:44:22,724 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:44:22,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:44:22,725 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:44:22,726 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:44:22,727 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:44:22,727 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:22,727 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:44:22,727 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:44:22,727 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:22,727 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:44:22,727 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:44:22,728 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:44:22,728 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:44:22,728 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:22,728 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:44:22,728 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_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm 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 -> f47940496008161a782f20a4338b252b7e8441d88b3ef3882a191d3af1981916 [2024-11-13 20:44:23,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:44:23,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:44:23,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:44:23,093 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:44:23,094 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:44:23,095 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i Unable to find full path for "g++" [2024-11-13 20:44:24,969 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:44:25,276 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:44:25,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i [2024-11-13 20:44:25,285 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/data/de7e58e65/1d3b4a5ddf7343c28ee952ebd7e96cde/FLAG084164ca5 [2024-11-13 20:44:25,300 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/data/de7e58e65/1d3b4a5ddf7343c28ee952ebd7e96cde [2024-11-13 20:44:25,303 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:44:25,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:44:25,306 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:25,306 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:44:25,310 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:44:25,311 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,312 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c6d65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25, skipping insertion in model container [2024-11-13 20:44:25,312 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,327 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:44:25,506 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_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i[915,928] [2024-11-13 20:44:25,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:25,595 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:44:25,610 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_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-88.i[915,928] [2024-11-13 20:44:25,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:44:25,664 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:44:25,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25 WrapperNode [2024-11-13 20:44:25,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:44:25,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:25,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:44:25,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:44:25,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,685 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,716 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 87 [2024-11-13 20:44:25,717 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:44:25,717 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:44:25,717 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:44:25,718 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:44:25,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,735 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,756 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,760 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,768 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:44:25,769 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:44:25,769 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:44:25,769 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:44:25,773 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:44:25" (1/1) ... [2024-11-13 20:44:25,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:44:25,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:44:25,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:44:25,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:44:25,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:44:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:44:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 20:44:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 20:44:25,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:44:25,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:44:25,931 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:44:25,934 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:44:26,334 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-13 20:44:26,334 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:44:26,456 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:44:26,456 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 20:44:26,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:26 BoogieIcfgContainer [2024-11-13 20:44:26,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:44:26,457 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:44:26,457 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:44:26,467 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:44:26,467 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:44:26" (1/1) ... [2024-11-13 20:44:26,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:44:26,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:26,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 20:44:26,524 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 20:44:26,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:44:26,529 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:26,530 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:26,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:26,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:26,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:44:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:26,924 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:27,028 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:44:27,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:31,101 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:44:31,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:44:32,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:32,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 46 states and 84 transitions. [2024-11-13 20:44:32,537 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2024-11-13 20:44:32,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:44:32,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:32,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:32,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:32,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:32,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:44:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:32,895 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:32,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:44:32,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:35,494 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:44:35,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 20:44:36,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:36,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 46 states and 84 transitions. [2024-11-13 20:44:36,121 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 84 transitions. [2024-11-13 20:44:36,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:44:36,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:36,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:36,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:36,127 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:36,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:44:36,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:36,540 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:36,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:36,602 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:44:36,605 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:39,333 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:44:39,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 20:44:41,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:41,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:44:41,134 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:44:41,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:44:41,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:41,136 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:41,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:41,138 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:41,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:44:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:41,429 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:41,529 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:44:41,532 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:43,247 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:44:43,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 20:44:43,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:43,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:44:43,432 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:44:43,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:44:43,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:43,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:43,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:43,437 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:43,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:44:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:43,791 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:43,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:44:43,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:45,702 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:44:45,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 20:44:46,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:46,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:44:46,152 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:44:46,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:44:46,154 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:46,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:46,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:46,159 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:46,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:44:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:46,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:46,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:44:46,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:48,630 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:44:48,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 20:44:48,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:48,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:44:48,813 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:44:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:44:48,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:48,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:48,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:48,820 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:48,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:44:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:49,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:49,185 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:44:49,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:51,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:44:51,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 20:44:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:51,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:44:51,553 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:44:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:44:51,555 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:51,555 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:51,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:51,559 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:51,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 20:44:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:51,828 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:51,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:51,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:44:51,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:53,822 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:44:53,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 20:44:54,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:54,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:44:54,069 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:44:54,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:44:54,071 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:54,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:54,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:54,078 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:54,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 20:44:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:54,450 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:54,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:44:54,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:44:56,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 20:44:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:56,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:44:56,568 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:44:56,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:44:56,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:56,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:56,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:56,572 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:56,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 20:44:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:56,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:56,934 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:44:56,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:58,963 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:44:58,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 20:44:59,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:59,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:44:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:44:59,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:44:59,120 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:59,120 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:59,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:59,122 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:59,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 20:44:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:59,398 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:59,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:44:59,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:00,959 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:00,962 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 20:45:01,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:01,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:01,204 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:01,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:01,205 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:01,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:01,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:01,208 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:01,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 20:45:01,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:01,482 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:01,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:01,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:45:01,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:03,102 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:03,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 20:45:03,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:03,263 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:03,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:03,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:03,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:03,268 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:03,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 20:45:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:03,546 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:03,611 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:45:03,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:04,968 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:04,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 20:45:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:05,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:05,174 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:05,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:05,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:05,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:05,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:05,177 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:05,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 20:45:05,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:05,442 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:05,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:45:05,520 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:06,970 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:06,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 20:45:07,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:07,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:07,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:07,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:07,192 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:07,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 20:45:07,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:07,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:07,499 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:45:07,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:09,296 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:09,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-13 20:45:09,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:09,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:09,482 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:09,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:09,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:09,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:09,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:09,485 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:09,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 20:45:09,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:09,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:09,860 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:45:09,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:11,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 20:45:11,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:11,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:11,530 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:11,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:11,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:11,531 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:11,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:11,533 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:11,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 20:45:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:11,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:11,868 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:45:11,870 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:13,263 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:13,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 20:45:13,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:13,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:13,447 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:13,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:13,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:13,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:13,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:13,452 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:13,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 20:45:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:13,716 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:13,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:13,751 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:45:13,753 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:15,491 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:15,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 20:45:15,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:15,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:15,643 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:15,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:15,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:15,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:15,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:15,646 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:15,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 20:45:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:15,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:15,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:45:15,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:17,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:17,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 20:45:17,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:17,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:17,548 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:17,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:17,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:17,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:17,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:17,551 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:17,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 20:45:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:17,820 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:17,883 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:45:17,884 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:19,941 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:19,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-11-13 20:45:20,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:20,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:20,092 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:20,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:20,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:20,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:20,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:20,096 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:20,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 20:45:20,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:20,361 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:20,415 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:45:20,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:21,816 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:21,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 20:45:21,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:21,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:21,995 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:21,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:21,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:21,995 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:21,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:21,997 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:21,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 20:45:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:22,261 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:22,320 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:45:22,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:23,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 20:45:24,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:24,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:24,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:24,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:24,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:24,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:24,147 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:24,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 20:45:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:24,409 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:24,458 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:45:24,459 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:25,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-13 20:45:26,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:26,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:26,031 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:26,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:26,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:26,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:26,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:26,034 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:26,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-13 20:45:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:26,302 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:26,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:26,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:45:26,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:28,119 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:28,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-11-13 20:45:28,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:28,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:28,309 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:28,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:28,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:28,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:28,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:28,312 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:28,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-13 20:45:28,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:28,616 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:28,685 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:45:28,687 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:30,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-13 20:45:30,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:30,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:30,862 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:30,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:30,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:30,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:30,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:30,868 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:30,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-13 20:45:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:31,178 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:31,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:31,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:45:31,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:33,761 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:33,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-13 20:45:33,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:33,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:33,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:33,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:33,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:33,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:33,944 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:33,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-13 20:45:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:34,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:34,428 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:45:34,429 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:36,019 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:36,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-13 20:45:36,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:36,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:36,221 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:36,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:36,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:36,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:36,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:36,223 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:36,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-13 20:45:36,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:36,525 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:36,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:45:36,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:38,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-13 20:45:38,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:38,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:38,403 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:38,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:38,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:38,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:38,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:38,411 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:38,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-13 20:45:38,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:38,790 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:38,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:45:38,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:40,500 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:40,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0 [2024-11-13 20:45:40,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:40,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 62 states and 129 transitions. [2024-11-13 20:45:40,731 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 129 transitions. [2024-11-13 20:45:40,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:40,732 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:40,732 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:40,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:40,734 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:40,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-11-13 20:45:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:41,042 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:41,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:41,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:45:41,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:44,779 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:45:44,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-11-13 20:45:47,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:47,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 74 states and 155 transitions. [2024-11-13 20:45:47,152 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 155 transitions. [2024-11-13 20:45:47,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:47,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:47,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:47,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:47,157 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:47,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-11-13 20:45:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:47,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:47,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:45:47,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:51,081 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:45:51,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-11-13 20:45:51,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:51,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 74 states and 155 transitions. [2024-11-13 20:45:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 155 transitions. [2024-11-13 20:45:51,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:51,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:51,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:51,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:51,308 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:51,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-11-13 20:45:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:51,658 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:51,737 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:45:51,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:45:55,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-11-13 20:45:57,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:57,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:45:57,132 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:45:57,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:57,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:57,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:57,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:57,137 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:57,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-11-13 20:45:57,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:57,468 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:57,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:45:57,512 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:45:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:45:59,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-11-13 20:45:59,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:59,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:45:59,486 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:45:59,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:45:59,487 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:59,487 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:59,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:59,491 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:59,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-11-13 20:45:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:59,955 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:59,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:45:59,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:02,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-11-13 20:46:02,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:02,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:46:02,245 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:46:02,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:02,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:02,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:02,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:02,252 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:02,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-11-13 20:46:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:02,596 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:02,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:46:02,688 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:04,704 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:04,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-11-13 20:46:04,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:04,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:46:04,738 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:46:04,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:04,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:04,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:04,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:04,741 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:04,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-11-13 20:46:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:05,141 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:05,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:46:05,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:07,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-11-13 20:46:07,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:07,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:46:07,732 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:46:07,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:07,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:07,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:07,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:07,735 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:07,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-11-13 20:46:08,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:08,078 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:08,121 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:46:08,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:10,503 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:10,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (38)] Ended with exit code 0 [2024-11-13 20:46:10,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:10,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:46:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:46:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:10,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:10,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:10,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:10,715 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:10,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-11-13 20:46:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:11,054 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:11,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:46:11,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:13,101 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:13,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-11-13 20:46:13,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:13,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:46:13,340 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:46:13,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:13,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:13,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:13,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:13,343 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:13,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-11-13 20:46:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:13,699 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:13,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:13,742 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:46:13,743 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:16,870 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:16,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-11-13 20:46:17,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:17,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:46:17,073 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:46:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:17,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:17,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:17,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:17,076 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:17,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-11-13 20:46:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:17,425 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:17,537 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:46:17,539 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:20,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:20,351 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-11-13 20:46:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:20,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:46:20,621 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:46:20,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:20,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:20,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:20,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:20,626 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:20,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-11-13 20:46:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:21,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:21,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:46:21,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:23,257 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:23,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-11-13 20:46:23,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:46:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:46:23,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:23,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:23,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:23,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:23,509 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:23,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-11-13 20:46:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:23,874 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:23,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:46:23,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:26,150 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:46:26,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-11-13 20:46:26,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:26,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:46:26,162 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:46:26,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:26,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:26,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:26,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:26,164 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:26,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-11-13 20:46:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:26,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:26,535 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:46:26,536 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:28,379 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:28,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-11-13 20:46:28,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:28,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:46:28,563 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:46:28,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:28,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:28,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:28,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:28,566 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:28,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-11-13 20:46:28,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:28,922 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:28,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:46:28,969 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:31,228 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:31,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-11-13 20:46:31,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:31,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:46:31,450 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:46:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:31,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:31,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:31,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:31,452 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:31,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-11-13 20:46:31,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:31,759 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:31,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:31,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:46:31,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:35,288 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:35,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-11-13 20:46:35,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:35,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 78 states and 167 transitions. [2024-11-13 20:46:35,462 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 167 transitions. [2024-11-13 20:46:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:35,463 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:35,463 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:35,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:35,469 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:35,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-11-13 20:46:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:35,817 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:35,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:46:35,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:38,075 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-11-13 20:46:40,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:40,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:46:40,358 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:46:40,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:40,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:40,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:40,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:40,361 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:40,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-11-13 20:46:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:40,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:40,809 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:46:40,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:45,366 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:45,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-11-13 20:46:45,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:45,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:46:45,574 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:46:45,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:45,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:45,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:45,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:45,579 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:45,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-11-13 20:46:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:45,926 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:45,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:45,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:46:45,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:48,023 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:46:48,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-11-13 20:46:48,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:48,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:46:48,058 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:46:48,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:48,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:48,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:48,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:48,061 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:48,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-11-13 20:46:48,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:48,422 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:48,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:48,473 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:46:48,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:50,593 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:50,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (50)] Forceful destruction successful, exit code 0 [2024-11-13 20:46:50,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:50,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:46:50,769 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:46:50,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:50,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:50,770 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:50,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:50,771 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:50,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-11-13 20:46:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:51,075 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:51,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:46:51,158 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:53,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (51)] Forceful destruction successful, exit code 0 [2024-11-13 20:46:53,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:53,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:46:53,249 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:46:53,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:53,249 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:53,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:53,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:53,251 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:53,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-11-13 20:46:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:53,588 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:53,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:46:53,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:55,341 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:55,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (52)] Forceful destruction successful, exit code 0 [2024-11-13 20:46:55,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:46:55,540 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:46:55,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:55,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:55,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:55,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:55,545 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:55,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-11-13 20:46:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:55,861 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:55,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:46:55,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:46:57,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-11-13 20:46:58,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:58,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:46:58,134 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:46:58,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:46:58,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:58,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:58,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:58,137 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:58,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-11-13 20:46:58,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:58,573 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:58,647 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:46:58,649 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:00,550 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:00,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (54)] Ended with exit code 0 [2024-11-13 20:47:00,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:00,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:00,750 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:00,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:00,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:00,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:00,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:00,753 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:00,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-11-13 20:47:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:01,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:01,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:01,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:47:01,125 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:03,153 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:03,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-11-13 20:47:03,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:03,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:03,183 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:03,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:03,184 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:03,184 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:03,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:03,189 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:03,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-11-13 20:47:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:03,493 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:03,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:03,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:03,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:05,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-11-13 20:47:05,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:05,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:05,703 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:05,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:05,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:05,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:05,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:05,706 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:05,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-11-13 20:47:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:06,089 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:06,132 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:06,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:08,696 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:08,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (57)] Forceful destruction successful, exit code 0 [2024-11-13 20:47:09,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:09,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:09,022 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:09,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:09,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:09,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:09,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:09,026 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:09,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-11-13 20:47:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:09,413 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:09,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:47:09,452 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:47:11,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-11-13 20:47:11,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:11,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:11,846 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:11,846 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:11,846 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:11,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:11,848 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:11,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-11-13 20:47:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:12,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:12,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:12,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:12,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:14,460 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:14,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (59)] Forceful destruction successful, exit code 0 [2024-11-13 20:47:14,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:14,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:14,764 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:14,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:14,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:14,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:14,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:14,766 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:14,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-11-13 20:47:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:15,121 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:15,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:15,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:17,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-11-13 20:47:17,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:17,871 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:17,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:17,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:17,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:17,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:17,878 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:17,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-11-13 20:47:18,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:18,222 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:18,266 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:47:18,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:47:20,307 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-11-13 20:47:20,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:20,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:20,342 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:20,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:20,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:20,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:20,345 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:20,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-11-13 20:47:20,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:20,710 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:20,832 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:20,835 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:23,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (62)] Forceful destruction successful, exit code 0 [2024-11-13 20:47:23,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:23,279 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:23,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:23,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:23,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:23,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:23,282 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:23,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-11-13 20:47:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:23,644 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:23,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:23,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:25,925 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:25,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (63)] Forceful destruction successful, exit code 0 [2024-11-13 20:47:26,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:26,139 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:26,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:26,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:26,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:26,147 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:26,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-11-13 20:47:26,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:26,550 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:26,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:26,642 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:29,234 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:29,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-11-13 20:47:29,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:29,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:29,629 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:29,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:29,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:29,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:29,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:29,645 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:29,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-11-13 20:47:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:30,016 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:30,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:30,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:32,150 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:32,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-11-13 20:47:32,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:32,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:32,376 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:32,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:32,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:32,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:32,382 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:32,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-11-13 20:47:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:32,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:32,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:32,847 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:34,984 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:34,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-11-13 20:47:35,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:35,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:35,205 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:35,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:35,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:35,206 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:35,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:35,208 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:35,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-11-13 20:47:35,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:35,571 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:35,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:35,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:47:35,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:37,530 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:37,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-11-13 20:47:37,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:37,760 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:37,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:37,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:37,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:37,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:37,762 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:37,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-11-13 20:47:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:38,113 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:38,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:38,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:40,874 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:40,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (68)] Forceful destruction successful, exit code 0 [2024-11-13 20:47:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:41,080 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:41,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:41,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:41,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:41,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:41,083 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:41,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-11-13 20:47:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:41,460 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:41,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:41,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:43,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (69)] Forceful destruction successful, exit code 0 [2024-11-13 20:47:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:43,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:43,793 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:43,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:43,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:43,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:43,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:43,796 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:43,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-11-13 20:47:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:44,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:44,184 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:47:44,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:46,248 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:47:46,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-11-13 20:47:46,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:46,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:46,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:46,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:46,285 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:46,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:46,287 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:46,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-11-13 20:47:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:46,643 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:46,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:47:46,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:48,846 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:47:48,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-11-13 20:47:48,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:48,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:48,884 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:48,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:48,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:48,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:48,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:48,890 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:48,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-11-13 20:47:49,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:49,256 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:49,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:49,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:51,440 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:51,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-11-13 20:47:51,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:51,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:51,581 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:51,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:51,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:51,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:51,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:51,585 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:51,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-11-13 20:47:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:51,927 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:51,977 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:51,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:54,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (73)] Forceful destruction successful, exit code 0 [2024-11-13 20:47:54,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:54,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:54,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:54,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:54,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:54,315 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:54,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-11-13 20:47:54,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:54,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:54,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:54,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:57,138 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:47:57,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-11-13 20:47:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:47:57,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:47:57,186 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:47:57,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:47:57,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:47:57,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:47:57,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:47:57,189 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:47:57,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-11-13 20:47:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:57,622 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:47:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:47:57,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:47:57,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:00,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-11-13 20:48:00,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:00,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:00,043 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:00,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:00,044 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:00,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:00,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:00,046 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:00,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-11-13 20:48:00,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:00,430 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:00,531 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:00,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:02,631 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:02,635 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-11-13 20:48:02,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:02,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:02,832 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:02,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:02,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:02,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:02,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:02,834 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:02,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-11-13 20:48:03,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:03,170 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:03,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:48:03,261 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:05,343 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:05,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (77)] Forceful destruction successful, exit code 0 [2024-11-13 20:48:05,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:05,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:05,565 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:05,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:05,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:05,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:05,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:05,567 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:05,569 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-11-13 20:48:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:05,901 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:05,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:05,940 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:07,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-11-13 20:48:08,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:08,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:08,187 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:08,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:08,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:08,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:08,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:08,190 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:08,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-11-13 20:48:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:08,515 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:08,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:08,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:11,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-11-13 20:48:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:11,574 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:11,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:11,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:11,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:11,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:11,578 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:11,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-11-13 20:48:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:11,982 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:12,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:12,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:14,067 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:14,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-11-13 20:48:14,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:14,264 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:14,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:14,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:14,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:14,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:14,268 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:14,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-11-13 20:48:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:14,655 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:14,715 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:48:14,716 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:16,362 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:16,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-11-13 20:48:16,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:16,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:16,392 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:16,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:16,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:16,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:16,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:16,394 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:16,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-11-13 20:48:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:16,675 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:16,753 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:48:16,755 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:18,576 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:18,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-11-13 20:48:18,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:18,605 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:18,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:18,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:18,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:18,607 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:18,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-11-13 20:48:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:18,885 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:18,936 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:48:18,937 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:20,860 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:48:20,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-11-13 20:48:20,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:20,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:20,873 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:20,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:20,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:20,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:20,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:20,877 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:20,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-11-13 20:48:21,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:21,165 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:21,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:21,203 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:48:21,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:48:22,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-11-13 20:48:22,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:22,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:22,755 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:22,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:22,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:22,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:22,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:22,757 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:22,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-11-13 20:48:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:23,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:23,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:23,074 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:24,742 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:24,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-11-13 20:48:24,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:24,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:24,988 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:24,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:24,988 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:24,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:24,990 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:24,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-11-13 20:48:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:25,268 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:25,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:48:25,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:27,247 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:27,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-11-13 20:48:27,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:27,426 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:27,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:27,426 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:27,426 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:27,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:27,429 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:27,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-11-13 20:48:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:27,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:27,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:27,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:29,947 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:29,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-11-13 20:48:30,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:30,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 80 states and 185 transitions. [2024-11-13 20:48:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 185 transitions. [2024-11-13 20:48:30,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:30,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:30,176 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:30,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:30,178 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:30,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-11-13 20:48:30,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:30,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:30,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:48:30,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:32,300 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:48:32,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-11-13 20:48:34,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:48:34,518 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:48:34,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:34,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:34,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:34,519 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:34,520 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:34,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-11-13 20:48:34,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:34,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:34,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:34,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:36,852 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:36,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-11-13 20:48:37,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:37,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:48:37,024 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:48:37,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:37,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:37,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:37,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:37,030 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:37,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-11-13 20:48:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:37,471 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:37,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:48:37,510 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:38,927 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:48:38,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-11-13 20:48:38,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:38,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:48:38,956 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:48:38,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:38,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:38,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:38,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:38,958 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:38,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-11-13 20:48:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:39,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:39,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:39,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:48:39,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:41,004 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:48:41,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-11-13 20:48:41,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:41,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:48:41,013 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:48:41,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:41,014 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:41,014 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:41,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:41,015 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:41,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-11-13 20:48:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:41,278 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:41,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:41,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:43,009 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:43,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-11-13 20:48:43,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:48:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:48:43,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:43,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:43,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:43,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:43,163 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:43,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-11-13 20:48:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:43,484 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:43,550 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:43,551 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:45,195 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:45,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-11-13 20:48:45,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:45,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:48:45,342 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:48:45,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:45,342 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:45,342 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:45,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:45,343 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:45,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-11-13 20:48:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:45,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:45,654 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:45,655 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:47,349 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:47,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (94)] Forceful destruction successful, exit code 0 [2024-11-13 20:48:47,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:47,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:48:47,500 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:48:47,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:47,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:47,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:47,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:47,502 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:47,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-11-13 20:48:47,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:47,766 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:47,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:47,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:48:47,801 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:50,262 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:48:50,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (95)] Ended with exit code 0 [2024-11-13 20:48:50,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:50,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:48:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:48:50,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:50,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:50,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:50,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:50,275 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:50,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-11-13 20:48:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:50,543 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:50,576 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:48:50,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:52,892 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:48:52,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-11-13 20:48:52,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:48:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:48:52,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:52,909 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:52,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:52,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:52,913 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:52,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-11-13 20:48:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:53,190 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:53,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:48:53,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:55,366 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:48:55,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-11-13 20:48:55,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:55,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:48:55,524 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:48:55,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:55,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:55,524 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:55,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:55,526 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:55,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-11-13 20:48:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:55,797 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:55,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:55,829 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:48:55,830 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:48:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:48:57,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (98)] Forceful destruction successful, exit code 0 [2024-11-13 20:48:57,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:48:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:48:57,296 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:48:57,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:48:57,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:48:57,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:48:57,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:48:57,298 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:48:57,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-11-13 20:48:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:57,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:48:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:48:57,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:48:57,610 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:01,082 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:49:01,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-11-13 20:49:01,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:01,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:01,092 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:01,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:01,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:01,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:01,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:01,094 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:01,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-11-13 20:49:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:01,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:01,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:01,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:01,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:03,514 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:03,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (100)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:03,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:03,986 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:03,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:03,986 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:03,986 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:03,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:03,988 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:03,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-11-13 20:49:04,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:04,269 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:04,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:04,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:06,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (101)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:06,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:06,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:06,325 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:06,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:06,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:06,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:06,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:06,329 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:06,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-11-13 20:49:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:06,592 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:06,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:06,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:06,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:08,441 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:08,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-11-13 20:49:08,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:08,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:08,606 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:08,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:08,606 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:08,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:08,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:08,608 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:08,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-11-13 20:49:08,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:08,879 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:08,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:49:08,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:10,812 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:10,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-11-13 20:49:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:11,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:11,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:11,003 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:11,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:11,009 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:11,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-11-13 20:49:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:11,292 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:11,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:11,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:13,355 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:13,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (104)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:13,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:13,503 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:13,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:13,504 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:13,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:13,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:13,505 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:13,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-11-13 20:49:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:13,769 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:13,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:13,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:15,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-11-13 20:49:15,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:15,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:15,563 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:15,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:15,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:15,563 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:15,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:15,568 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:15,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-11-13 20:49:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:15,833 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:15,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:15,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:17,564 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:17,567 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-11-13 20:49:17,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:17,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:17,714 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:17,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:17,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:17,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:17,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:17,716 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:17,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-11-13 20:49:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:17,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:18,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:18,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:19,695 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:19,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-11-13 20:49:19,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:19,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:19,855 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:19,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:19,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:19,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:19,857 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:19,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-11-13 20:49:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:20,118 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:20,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:49:20,151 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:21,927 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:49:21,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (108)] Ended with exit code 0 [2024-11-13 20:49:21,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:21,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:21,957 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:21,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:21,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:21,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:21,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:21,959 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:21,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-11-13 20:49:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:22,227 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:22,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:22,283 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:49:22,284 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:24,900 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:49:24,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-11-13 20:49:24,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:24,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:24,910 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:24,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:24,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:24,910 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:24,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:24,912 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:24,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-11-13 20:49:25,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:25,175 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:25,207 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:25,208 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:27,174 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:27,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (110)] Ended with exit code 0 [2024-11-13 20:49:27,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:27,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:27,322 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:27,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:27,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:27,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:27,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:27,325 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:27,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-11-13 20:49:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:27,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:27,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:27,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:27,661 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:29,522 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:29,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-11-13 20:49:29,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:29,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:29,713 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:29,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:29,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:29,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:29,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:29,715 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:29,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-11-13 20:49:29,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:29,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:30,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:49:30,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:31,631 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:31,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (112)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:31,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:31,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:31,811 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:31,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:31,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:31,812 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:31,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:31,813 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:31,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-11-13 20:49:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:32,075 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:32,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:32,136 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:33,866 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:33,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (113)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:34,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:34,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:34,084 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:34,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:34,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:34,084 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:34,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:34,086 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:34,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-11-13 20:49:34,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:34,350 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:34,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:34,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:34,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:36,143 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:36,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (114)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:36,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:36,311 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:36,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:36,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:36,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:36,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:36,316 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:36,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-11-13 20:49:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:36,578 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:36,612 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:49:36,613 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:49:38,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (115)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:38,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:38,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:38,079 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:38,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:38,080 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:38,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:38,082 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:38,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-11-13 20:49:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:38,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:38,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:38,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:40,754 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:40,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (116)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:40,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:40,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:40,962 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:40,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:40,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:40,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:40,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:40,965 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:40,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-11-13 20:49:41,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:41,309 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:41,376 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:41,377 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:43,451 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:43,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (117)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:43,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:43,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:43,578 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:43,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:43,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:43,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:43,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:43,580 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:43,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-11-13 20:49:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:43,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:44,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:44,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:44,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:46,179 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:46,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (118)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:46,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:46,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:46,226 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:46,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:46,226 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:46,226 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:46,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:46,231 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:46,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-11-13 20:49:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:46,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:46,713 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:46,714 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:49,381 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:49,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-11-13 20:49:49,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:49,635 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:49,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:49,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:49,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:49,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:49,639 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:49,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-11-13 20:49:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:50,002 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:50,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:50,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:50,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:52,262 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:52,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (120)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:52,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:52,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 82 states and 202 transitions. [2024-11-13 20:49:52,305 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 202 transitions. [2024-11-13 20:49:52,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:52,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:52,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:52,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:52,308 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:52,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-11-13 20:49:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:52,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:52,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:49:52,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:54,533 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:49:54,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (121)] Forceful destruction successful, exit code 0 [2024-11-13 20:49:55,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:49:55,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 84 states and 214 transitions. [2024-11-13 20:49:55,573 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 214 transitions. [2024-11-13 20:49:55,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:49:55,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:49:55,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:49:55,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:49:55,575 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:49:55,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-11-13 20:49:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:55,986 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:49:56,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:49:56,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:49:56,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:49:59,848 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:49:59,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (122)] Ended with exit code 0 [2024-11-13 20:50:00,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:00,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 84 states and 214 transitions. [2024-11-13 20:50:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 214 transitions. [2024-11-13 20:50:00,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:00,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:00,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:00,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:00,083 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:00,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-11-13 20:50:00,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:00,443 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:00,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:50:00,483 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:50:02,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-11-13 20:50:04,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:04,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:04,267 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:04,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:04,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:04,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:04,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:04,269 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:04,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-11-13 20:50:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:04,571 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:04,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:50:04,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:06,405 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:06,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-11-13 20:50:06,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:06,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:06,433 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:06,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:06,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:06,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:06,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:06,436 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:06,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-11-13 20:50:06,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:06,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:06,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:06,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:06,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:10,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (125)] Forceful destruction successful, exit code 0 [2024-11-13 20:50:10,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:10,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:10,124 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:10,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:10,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:10,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:10,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:10,127 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:10,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-11-13 20:50:10,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:10,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:10,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:50:10,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:12,382 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:12,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-11-13 20:50:12,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:12,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:12,414 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:12,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:12,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:12,415 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:12,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:12,417 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:12,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-11-13 20:50:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:12,761 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:12,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:12,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:16,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-11-13 20:50:16,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:16,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:16,211 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:16,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:16,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:16,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:16,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:16,214 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:16,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-11-13 20:50:16,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:16,557 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:16,666 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:50:16,667 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:20,139 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:20,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (128)] Forceful destruction successful, exit code 0 [2024-11-13 20:50:20,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:20,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:20,386 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:20,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:20,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:20,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:20,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:20,389 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:20,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-11-13 20:50:20,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:20,739 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:20,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:20,783 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:23,173 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:23,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-11-13 20:50:23,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:23,395 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:23,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:23,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:23,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:23,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:23,401 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:23,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-11-13 20:50:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:23,763 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:23,854 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:23,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:26,875 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:26,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-11-13 20:50:27,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:27,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:27,181 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:27,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:27,181 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:27,181 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:27,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:27,186 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:27,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-11-13 20:50:27,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:27,580 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:27,673 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:27,675 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:29,952 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:29,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-11-13 20:50:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:30,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:30,172 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:30,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:30,172 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:30,172 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:30,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:30,176 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:30,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-11-13 20:50:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:30,539 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:30,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:30,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:33,012 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:33,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (132)] Forceful destruction successful, exit code 0 [2024-11-13 20:50:33,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:33,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:33,228 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:33,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:33,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:33,228 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:33,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:33,230 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:33,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-11-13 20:50:33,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:33,591 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:33,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:33,631 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:33,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:36,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-11-13 20:50:36,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:36,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:36,215 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:36,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:36,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:36,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:36,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:36,218 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:36,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-11-13 20:50:36,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:36,576 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:36,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:36,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:36,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:38,837 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:38,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-11-13 20:50:39,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:39,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:39,043 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:39,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:39,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:39,044 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:39,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:39,045 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:39,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-11-13 20:50:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:39,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:39,482 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:50:39,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:41,640 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:41,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-11-13 20:50:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:41,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:41,862 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:41,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:41,862 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:41,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:41,864 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:41,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-11-13 20:50:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:42,200 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:42,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:42,286 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:44,562 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:44,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-11-13 20:50:44,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:44,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:44,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:44,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:44,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:44,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:44,841 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:44,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-11-13 20:50:45,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:45,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:45,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:45,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:47,613 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:47,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-11-13 20:50:47,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:47,829 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:47,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:47,829 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:47,829 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:47,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:47,831 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:47,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-11-13 20:50:48,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:48,198 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:48,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:48,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:48,240 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:51,244 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:51,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-11-13 20:50:51,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:51,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:51,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:51,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:51,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:51,466 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:51,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-11-13 20:50:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:51,875 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:51,979 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:51,980 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:54,834 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:50:54,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-11-13 20:50:55,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:55,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:55,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:55,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:55,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:55,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:55,026 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:55,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-11-13 20:50:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:55,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:55,515 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:50:55,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:50:57,553 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:50:57,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-11-13 20:50:57,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:50:57,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:50:57,586 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:50:57,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:50:57,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:50:57,586 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:50:57,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:50:57,588 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:50:57,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-11-13 20:50:57,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:57,989 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:50:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:50:58,108 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:50:58,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:00,448 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:00,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-11-13 20:51:00,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:00,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:00,630 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:00,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:00,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:00,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:00,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:00,632 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:00,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-11-13 20:51:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:01,028 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:01,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:01,127 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:03,081 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:03,084 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-11-13 20:51:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:03,263 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:03,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:03,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:03,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:03,266 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:03,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-11-13 20:51:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:03,657 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:03,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:03,698 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:06,189 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:06,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-11-13 20:51:06,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:06,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:06,393 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:06,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:06,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:06,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:06,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:06,395 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:06,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-11-13 20:51:06,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:06,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:06,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:06,779 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:09,000 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:09,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-11-13 20:51:09,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:09,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:09,207 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:09,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:09,207 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:09,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:09,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:09,209 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:09,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-11-13 20:51:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:09,572 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:09,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:51:09,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:11,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-11-13 20:51:11,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:11,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:11,927 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:11,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:11,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:11,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:11,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:11,929 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:11,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-11-13 20:51:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:12,280 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:12,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:12,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:14,551 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:14,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-11-13 20:51:14,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:14,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:14,742 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:14,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:14,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:14,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:14,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:14,744 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:14,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-11-13 20:51:15,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:15,075 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:15,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:15,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:17,236 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:17,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-11-13 20:51:17,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:17,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:17,407 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:17,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:17,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:17,407 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:17,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:17,411 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:17,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-11-13 20:51:17,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:17,806 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:17,837 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:51:17,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:20,921 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:51:20,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-11-13 20:51:20,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:20,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:20,935 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:20,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:20,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:20,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:20,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:20,938 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:20,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-11-13 20:51:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:21,205 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:21,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:21,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:21,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:23,431 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:23,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-11-13 20:51:23,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:23,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:23,585 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:23,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:23,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:23,585 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:23,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:23,586 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:23,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-11-13 20:51:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:23,884 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:23,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:23,960 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:25,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-11-13 20:51:26,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:26,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:26,013 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:26,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:26,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:26,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:26,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:26,015 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:26,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-11-13 20:51:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:26,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:26,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:26,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:28,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (151)] Forceful destruction successful, exit code 0 [2024-11-13 20:51:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:28,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:28,929 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:28,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:28,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:28,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:28,931 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:28,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-11-13 20:51:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:29,196 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:29,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:29,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:29,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:31,199 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:31,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-11-13 20:51:31,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:31,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:31,355 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:31,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:31,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:31,355 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:31,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:31,357 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:31,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-11-13 20:51:31,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:31,634 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:31,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:31,691 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:33,779 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:33,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-11-13 20:51:33,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:33,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:33,937 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:33,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:33,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:33,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:33,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:33,940 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:33,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-11-13 20:51:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:34,223 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:34,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:34,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:36,099 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:36,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-11-13 20:51:36,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:36,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:36,253 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:36,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:36,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:36,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:36,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:36,254 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:36,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-11-13 20:51:36,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:36,556 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:36,601 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:36,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:38,452 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:38,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-11-13 20:51:38,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:38,548 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:38,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:38,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:38,549 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:38,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:38,550 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:38,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-11-13 20:51:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:38,816 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:38,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:51:38,905 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:40,919 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:40,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-11-13 20:51:40,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:40,947 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:40,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:40,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:40,947 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:40,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:40,949 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:40,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-11-13 20:51:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:41,241 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:41,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:41,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:41,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:42,970 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:42,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-11-13 20:51:43,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:43,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 86 states and 232 transitions. [2024-11-13 20:51:43,124 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 232 transitions. [2024-11-13 20:51:43,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:43,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:43,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:43,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:43,126 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:43,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-11-13 20:51:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:43,432 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:43,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:43,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:51:43,466 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:44,905 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:51:44,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-11-13 20:51:46,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:46,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:51:46,142 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:51:46,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:46,142 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:46,142 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:46,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:46,144 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:46,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-11-13 20:51:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:46,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:46,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:51:46,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:47,982 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:51:47,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (159)] Ended with exit code 0 [2024-11-13 20:51:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:48,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:51:48,189 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:51:48,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:48,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:48,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:48,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:48,191 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:48,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-11-13 20:51:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:48,457 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:48,491 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:48,492 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:50,470 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:50,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-11-13 20:51:50,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:50,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:51:50,648 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:51:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:50,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:50,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:50,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:50,650 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:50,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-11-13 20:51:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:50,911 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:50,946 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:50,947 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:52,600 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:52,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-11-13 20:51:52,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:52,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:51:52,753 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:51:52,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:52,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:52,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:52,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:52,755 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:52,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-11-13 20:51:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:53,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:53,076 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:53,077 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:54,786 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:54,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (162)] Forceful destruction successful, exit code 0 [2024-11-13 20:51:54,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:54,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:51:54,998 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:51:54,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:54,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:54,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:54,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:55,000 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:55,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-11-13 20:51:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:55,270 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:55,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:55,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:51:55,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:51:57,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-11-13 20:51:57,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:57,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:51:57,245 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:51:57,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:57,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:57,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:57,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:57,247 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:57,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-11-13 20:51:57,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:57,506 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:51:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:57,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:51:57,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:51:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:51:59,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-11-13 20:51:59,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:51:59,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:51:59,703 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:51:59,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:51:59,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:51:59,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:51:59,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:51:59,705 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:51:59,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-11-13 20:51:59,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:51:59,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:00,011 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:00,012 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:01,974 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:01,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-11-13 20:52:02,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:02,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:02,144 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:02,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:02,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:02,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:02,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:02,146 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:02,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-11-13 20:52:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:02,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:02,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:02,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:04,344 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:04,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-11-13 20:52:04,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:04,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:04,497 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:04,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:04,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:04,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:04,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:04,498 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:04,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-11-13 20:52:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:04,824 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:04,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:04,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:06,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-11-13 20:52:06,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:06,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:06,693 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:06,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:06,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:06,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:06,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:06,695 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:06,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-11-13 20:52:06,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:06,957 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:06,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:06,992 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:08,698 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:08,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-11-13 20:52:08,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:08,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:08,848 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:08,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:08,848 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:08,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:08,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:08,850 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:08,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-11-13 20:52:09,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:09,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:09,202 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:52:09,203 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:12,260 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:52:12,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-11-13 20:52:12,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:12,331 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:12,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:12,332 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:12,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:12,335 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:12,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-11-13 20:52:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:12,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:12,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:12,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:12,643 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:14,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-11-13 20:52:14,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:14,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:14,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:14,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:14,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:14,881 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:14,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-11-13 20:52:15,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:15,240 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:15,277 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:15,278 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:16,944 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:16,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-11-13 20:52:17,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:17,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:17,093 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:17,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:17,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:17,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:17,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:17,094 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:17,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-11-13 20:52:17,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:17,370 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:17,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:52:17,427 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:19,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (172)] Ended with exit code 0 [2024-11-13 20:52:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:19,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:19,271 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:19,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:19,271 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:19,272 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:19,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:19,274 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:19,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-11-13 20:52:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:19,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:19,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:19,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:21,493 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:21,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-11-13 20:52:21,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:21,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:21,651 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:21,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:21,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:21,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:21,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:21,654 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:21,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-11-13 20:52:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:21,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:22,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:52:22,007 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:23,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (174)] Forceful destruction successful, exit code 0 [2024-11-13 20:52:23,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:23,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:23,527 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:23,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:23,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:23,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:23,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:23,531 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:23,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-11-13 20:52:23,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:23,792 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:23,848 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:23,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:25,576 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:25,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-11-13 20:52:25,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:25,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:25,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:25,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:25,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:25,730 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:25,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-11-13 20:52:26,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:26,023 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:26,085 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:26,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:28,215 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:28,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-11-13 20:52:28,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:28,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:28,365 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:28,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:28,366 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:28,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:28,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:28,367 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:28,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-11-13 20:52:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:28,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:28,660 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:52:28,660 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:31,179 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:52:31,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-11-13 20:52:31,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:31,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:31,209 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:31,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:31,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:31,209 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:31,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:31,210 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:31,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-11-13 20:52:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:31,522 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:31,590 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:52:31,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:32,949 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:32,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (178)] Ended with exit code 0 [2024-11-13 20:52:32,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:32,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:32,975 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:32,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:32,976 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:32,976 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:32,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:32,977 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:32,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-11-13 20:52:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:33,251 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:33,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:33,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:33,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:34,992 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:34,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (179)] Ended with exit code 0 [2024-11-13 20:52:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:35,144 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:35,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:35,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:35,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:35,150 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:35,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-11-13 20:52:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:35,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:35,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:52:35,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:37,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (180)] Forceful destruction successful, exit code 0 [2024-11-13 20:52:37,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:37,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:37,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:37,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:37,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:37,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:37,193 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:37,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-11-13 20:52:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:37,475 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:37,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:37,508 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:37,508 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:39,354 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:39,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-11-13 20:52:39,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:39,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:39,517 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:39,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:39,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:39,517 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:39,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:39,519 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:39,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-11-13 20:52:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:39,801 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:39,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:39,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:41,600 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:41,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-11-13 20:52:41,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:41,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:41,749 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:41,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:41,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:41,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:41,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:41,751 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:41,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-11-13 20:52:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:42,015 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:42,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:52:42,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:43,723 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:43,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-11-13 20:52:43,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:43,908 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:43,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:43,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:43,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:43,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:43,910 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:43,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-11-13 20:52:44,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:44,177 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:44,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:44,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:44,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:45,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-11-13 20:52:46,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:46,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:46,015 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:46,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:46,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:46,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:46,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:46,016 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:46,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-11-13 20:52:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:46,297 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:46,331 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:52:46,332 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:51,307 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:52:51,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-11-13 20:52:51,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:51,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:51,584 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:51,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:51,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:51,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:51,586 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:51,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-11-13 20:52:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:51,899 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:51,978 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:52:51,978 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:53,411 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:53,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-11-13 20:52:53,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:53,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:53,445 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:53,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:53,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:53,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:53,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:53,447 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:53,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-11-13 20:52:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:53,789 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:53,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:53,823 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:53,824 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:55,558 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:55,561 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-11-13 20:52:55,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:55,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:55,724 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:55,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:55,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:55,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:55,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:55,726 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:55,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-11-13 20:52:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:56,068 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:56,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:52:56,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:57,795 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:57,798 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-11-13 20:52:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:52:57,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:52:57,825 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:52:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:52:57,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:52:57,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:52:57,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:52:57,827 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:52:57,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-11-13 20:52:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:58,102 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:52:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:52:58,142 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:52:58,143 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:52:59,963 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:52:59,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-11-13 20:53:00,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:00,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:00,001 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:00,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:00,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:00,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:00,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:00,003 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:00,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-11-13 20:53:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:00,299 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:00,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:00,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:02,096 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:02,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-11-13 20:53:02,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:02,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:02,262 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:02,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:02,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:02,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:02,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:02,264 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:02,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-11-13 20:53:02,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:02,561 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:02,621 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:02,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:05,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-11-13 20:53:05,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:05,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:05,341 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:05,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:05,341 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:05,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:05,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:05,343 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:05,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-11-13 20:53:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:05,626 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:05,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:05,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:05,694 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:07,946 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:07,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-11-13 20:53:08,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:08,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:08,108 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:08,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:08,109 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:08,109 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:08,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:08,112 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:08,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-11-13 20:53:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:08,482 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:08,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:08,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:10,808 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:10,811 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (193)] Forceful destruction successful, exit code 0 [2024-11-13 20:53:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:10,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:10,883 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:10,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:10,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:10,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:10,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:10,885 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:10,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-11-13 20:53:11,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:11,174 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:11,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:11,254 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:11,255 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:14,266 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:14,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-11-13 20:53:14,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:14,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:14,337 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:14,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:14,337 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:14,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:14,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:14,339 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:14,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-11-13 20:53:14,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:14,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:14,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:14,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:16,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (195)] Forceful destruction successful, exit code 0 [2024-11-13 20:53:16,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:16,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:16,622 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:16,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:16,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:16,622 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:16,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:16,624 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:16,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-11-13 20:53:16,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:16,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:17,037 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:17,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:19,098 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:19,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-11-13 20:53:19,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:19,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:19,155 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:19,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:19,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:19,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:19,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:19,158 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:19,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-11-13 20:53:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:19,527 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:19,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:19,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:21,567 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:21,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (197)] Forceful destruction successful, exit code 0 [2024-11-13 20:53:21,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:21,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:21,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:21,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:21,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:21,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:21,739 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:21,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-11-13 20:53:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:22,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:22,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:22,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:22,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:23,973 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:23,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-11-13 20:53:24,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:24,147 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:24,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:24,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:24,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:24,148 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:24,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-11-13 20:53:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:24,433 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:24,467 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:24,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:26,807 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:26,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-11-13 20:53:26,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:26,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:26,971 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:26,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:26,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:26,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:26,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:26,973 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:26,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-11-13 20:53:27,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:27,248 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:27,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:27,334 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:53:27,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:29,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (200)] Forceful destruction successful, exit code 0 [2024-11-13 20:53:29,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:29,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:29,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:29,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:29,959 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:29,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-11-13 20:53:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:30,298 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:30,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:53:30,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:31,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-11-13 20:53:31,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:31,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:31,999 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:31,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:31,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:32,000 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:32,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:32,001 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:32,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-11-13 20:53:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:32,283 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:32,339 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:53:32,340 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:34,039 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:34,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-11-13 20:53:34,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:34,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:34,069 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:34,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:34,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:34,069 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:34,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:34,071 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:34,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-11-13 20:53:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:34,401 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:34,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:53:34,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:36,326 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:53:36,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-11-13 20:53:36,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:36,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:36,604 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:36,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:36,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:36,605 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:36,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:36,606 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:36,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-11-13 20:53:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:36,880 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:36,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:36,955 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:53:36,956 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:38,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (204)] Forceful destruction successful, exit code 0 [2024-11-13 20:53:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:38,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:38,639 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:38,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:38,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:38,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:38,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:38,641 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:38,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-11-13 20:53:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:38,932 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:38,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:38,992 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:38,993 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:41,517 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:41,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-11-13 20:53:41,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:41,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:41,686 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:41,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:41,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:41,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:41,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:41,687 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:41,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-11-13 20:53:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:41,991 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:42,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:42,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:42,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:43,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-11-13 20:53:44,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:44,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:44,151 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:44,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:44,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:44,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:44,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:44,153 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:44,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-11-13 20:53:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:44,445 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:44,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:53:44,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:45,927 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:53:45,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-11-13 20:53:45,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:45,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:45,980 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:45,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:45,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:45,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:45,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:45,982 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:45,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-11-13 20:53:46,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:46,288 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:46,326 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:46,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:47,990 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:47,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-11-13 20:53:48,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:48,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:48,029 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:48,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:48,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:48,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:48,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:48,031 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:48,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-11-13 20:53:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:48,318 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:48,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:48,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:53:48,395 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:50,521 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:50,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-11-13 20:53:50,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:50,708 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:50,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:50,708 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:50,708 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:50,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:50,709 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:50,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-11-13 20:53:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:50,981 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:51,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:51,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:52,980 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:52,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (210)] Forceful destruction successful, exit code 0 [2024-11-13 20:53:53,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:53,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:53,018 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:53,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:53,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:53,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:53,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:53,020 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:53,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-11-13 20:53:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:53,312 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:53,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:53,397 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:53,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:55,048 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:55,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-11-13 20:53:55,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:55,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:55,086 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:55,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:55,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:55,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:55,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:55,087 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:55,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-11-13 20:53:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:55,352 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:55,435 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:55,436 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:53:57,184 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:53:57,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (212)] Ended with exit code 0 [2024-11-13 20:53:57,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:53:57,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:53:57,222 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:53:57,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:53:57,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:53:57,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:53:57,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:53:57,224 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:53:57,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-11-13 20:53:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:57,494 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:53:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:53:57,551 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:53:57,552 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:00,732 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:00,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-11-13 20:54:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:00,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:00,771 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:00,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:00,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:00,771 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:00,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:00,773 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:00,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-11-13 20:54:01,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:01,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:01,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:01,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:02,821 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:02,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (214)] Forceful destruction successful, exit code 0 [2024-11-13 20:54:02,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:02,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:02,980 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:02,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:02,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:02,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:02,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:02,982 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:02,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-11-13 20:54:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:03,253 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:03,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:03,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:54:03,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:05,052 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:05,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-11-13 20:54:05,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:05,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:05,239 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:05,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:05,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:05,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:05,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:05,241 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:05,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-11-13 20:54:05,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:05,518 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:05,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:05,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:07,220 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:07,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-11-13 20:54:07,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:07,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:07,381 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:07,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:07,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:07,382 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:07,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:07,384 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:07,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-11-13 20:54:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:07,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:07,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:54:07,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:09,681 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:09,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-11-13 20:54:09,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:09,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:09,876 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:09,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:09,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:09,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:09,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:09,880 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:09,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-11-13 20:54:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:10,164 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:10,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:10,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:10,226 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:11,942 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:11,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-11-13 20:54:12,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:12,096 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:12,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:12,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:12,097 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:12,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:12,098 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:12,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-11-13 20:54:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:12,359 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:12,403 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:54:12,404 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:54:13,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-11-13 20:54:13,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:13,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:13,981 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:13,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:13,982 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:13,982 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:13,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:13,983 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:13,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-11-13 20:54:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:14,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:14,306 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:14,307 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:16,207 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:16,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (220)] Ended with exit code 0 [2024-11-13 20:54:16,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:16,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:16,393 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:16,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:16,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:16,393 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:16,393 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:16,395 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:16,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-11-13 20:54:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:16,679 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:16,718 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:54:16,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:19,825 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:54:19,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-11-13 20:54:19,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:19,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:19,836 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:19,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:19,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:19,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:19,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:19,838 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:19,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-11-13 20:54:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:20,127 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:20,164 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:20,165 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:21,990 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:21,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-11-13 20:54:22,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:22,151 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:22,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:22,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:22,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:22,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:22,153 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:22,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-11-13 20:54:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:22,421 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:22,469 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:22,470 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:24,537 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:24,540 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-11-13 20:54:24,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:24,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:24,721 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:24,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:24,722 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:24,722 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:24,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:24,723 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:24,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-11-13 20:54:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:25,029 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:25,118 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:25,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:26,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-11-13 20:54:27,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:27,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:27,103 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:27,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:27,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:27,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:27,105 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:27,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-11-13 20:54:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:27,384 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:27,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:27,418 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:54:27,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:54:28,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-11-13 20:54:29,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:29,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:29,024 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:29,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:29,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:29,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:29,026 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:29,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-11-13 20:54:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:29,340 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:29,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:54:29,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:54:31,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-11-13 20:54:31,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:31,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:31,832 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:31,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:31,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:31,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:31,834 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:31,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-11-13 20:54:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:32,112 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:32,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:32,148 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:33,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-11-13 20:54:33,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:33,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:33,951 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:33,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:33,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:33,952 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:33,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:33,953 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:33,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-11-13 20:54:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:34,251 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:34,318 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:34,319 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:36,295 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:36,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-11-13 20:54:36,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:36,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:36,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:36,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:36,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:36,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:36,470 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:36,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-11-13 20:54:36,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:36,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:36,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:36,976 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:36,977 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:39,297 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:39,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (229)] Forceful destruction successful, exit code 0 [2024-11-13 20:54:39,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:39,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:39,522 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:39,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:39,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:39,523 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:39,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:39,525 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:39,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-11-13 20:54:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:39,851 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:39,918 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:39,919 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:41,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (230)] Forceful destruction successful, exit code 0 [2024-11-13 20:54:41,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:41,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:41,923 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:41,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:41,923 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:41,923 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:41,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:41,925 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:41,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-11-13 20:54:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:42,204 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:42,275 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:42,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:43,973 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:43,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (231)] Forceful destruction successful, exit code 0 [2024-11-13 20:54:44,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:44,126 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:44,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:44,127 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:44,127 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:44,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:44,128 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:44,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-11-13 20:54:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:44,418 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:44,453 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:54:44,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:46,116 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:54:46,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (232)] Ended with exit code 0 [2024-11-13 20:54:46,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:46,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:46,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:46,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:46,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:46,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:46,148 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:46,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-11-13 20:54:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:46,434 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:46,510 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:54:46,511 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:48,145 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:48,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-11-13 20:54:48,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:48,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:48,175 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:48,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:48,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:48,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:48,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:48,180 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:48,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-11-13 20:54:48,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:48,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:48,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:48,522 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:48,523 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:50,832 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:50,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-11-13 20:54:51,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:51,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:51,004 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:51,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:51,004 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:51,005 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:51,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:51,008 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:51,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-11-13 20:54:51,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:51,404 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:51,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:51,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:54:51,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:53,147 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:53,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-11-13 20:54:53,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:53,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:53,176 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:53,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:53,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:53,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:53,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:53,178 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:53,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-11-13 20:54:53,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:53,464 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:53,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:53,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:53,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:55,335 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:55,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-11-13 20:54:55,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:55,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:55,498 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:55,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:55,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:55,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:55,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:55,500 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:55,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-11-13 20:54:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:55,772 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:55,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:55,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:54:55,805 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:54:57,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-11-13 20:54:57,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:54:57,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:54:57,297 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:54:57,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:54:57,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:54:57,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:54:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:54:57,301 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:54:57,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-11-13 20:54:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:57,579 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:54:57,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:54:57,613 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:54:57,614 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:54:59,975 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:54:59,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-11-13 20:55:00,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:00,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:00,129 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:00,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:00,129 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:00,129 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:00,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:00,131 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:00,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-11-13 20:55:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:00,390 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:00,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:00,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:00,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:02,574 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:02,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (239)] Ended with exit code 0 [2024-11-13 20:55:02,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:02,724 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:02,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:02,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:02,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:02,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:02,731 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:02,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-11-13 20:55:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:03,005 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:03,072 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:03,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:04,836 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:04,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-11-13 20:55:04,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:04,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:04,988 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:04,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:04,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:04,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:04,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:04,990 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:04,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-11-13 20:55:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:05,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:05,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:05,282 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:07,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-11-13 20:55:07,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:07,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:07,220 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:07,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:07,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:07,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:07,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:07,222 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:07,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-11-13 20:55:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:07,496 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:07,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:07,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:55:07,559 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:09,096 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:09,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-11-13 20:55:09,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:09,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:09,125 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:09,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:09,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:09,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:09,127 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:09,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-11-13 20:55:09,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:09,467 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:09,518 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:55:09,519 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:11,392 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:55:11,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-11-13 20:55:11,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:11,402 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:11,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:11,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:11,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:11,404 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:11,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-11-13 20:55:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:11,682 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:11,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:11,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:13,490 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:13,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (244)] Ended with exit code 0 [2024-11-13 20:55:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:13,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:13,648 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:13,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:13,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:13,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:13,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:13,650 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:13,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-11-13 20:55:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:13,909 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:13,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:55:13,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:15,920 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:15,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (245)] Forceful destruction successful, exit code 0 [2024-11-13 20:55:15,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:15,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:15,946 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:15,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:15,946 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:15,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:15,948 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:15,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-11-13 20:55:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:16,211 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:16,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:16,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:17,881 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:17,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-11-13 20:55:18,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:18,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:18,056 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:18,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:18,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:18,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:18,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:18,061 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:18,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-11-13 20:55:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:18,362 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:18,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:18,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:18,421 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:20,372 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:20,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-11-13 20:55:20,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:20,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:20,562 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:20,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:20,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:20,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:20,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:20,564 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:20,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-11-13 20:55:20,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:20,856 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:20,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:55:20,899 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:22,534 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:22,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-11-13 20:55:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:22,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:22,739 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:22,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:22,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:22,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:22,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:22,741 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:22,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-11-13 20:55:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:23,045 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:23,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:55:23,118 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:24,770 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:24,773 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-11-13 20:55:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:24,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:24,801 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:24,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:24,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:24,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:24,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:24,804 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:24,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-11-13 20:55:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:25,103 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:25,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:25,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:25,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:26,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-11-13 20:55:27,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:27,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:27,096 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:27,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:27,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:27,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:27,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:27,098 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:27,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-11-13 20:55:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:27,399 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:27,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:27,463 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:27,464 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:29,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-11-13 20:55:30,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:30,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:30,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:30,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:30,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:30,037 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:30,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-11-13 20:55:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:30,326 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:30,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:30,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:32,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-11-13 20:55:32,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:32,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:32,415 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:32,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:32,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:32,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:32,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:32,419 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:32,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-11-13 20:55:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:32,837 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:32,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:32,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:55:32,886 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:55:34,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (253)] Forceful destruction successful, exit code 0 [2024-11-13 20:55:34,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:34,327 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:34,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:34,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:34,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:34,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:34,329 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:34,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-11-13 20:55:34,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:34,607 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:34,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:55:34,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:36,270 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:36,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (254)] Forceful destruction successful, exit code 0 [2024-11-13 20:55:36,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:36,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:36,458 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:36,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:36,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:36,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:36,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:36,461 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:36,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-11-13 20:55:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:36,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:36,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:36,776 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:36,777 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:38,738 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:38,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (255)] Forceful destruction successful, exit code 0 [2024-11-13 20:55:38,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:38,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:38,903 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:38,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:38,903 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:38,903 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:38,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:38,905 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:38,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-11-13 20:55:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:39,184 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:39,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:39,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:41,124 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:41,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (256)] Forceful destruction successful, exit code 0 [2024-11-13 20:55:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:41,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:41,292 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:41,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:41,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:41,297 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:41,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-11-13 20:55:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:41,628 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:41,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:41,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:43,251 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:43,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-11-13 20:55:43,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:43,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:43,421 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:43,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:43,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:43,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:43,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:43,425 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:43,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-11-13 20:55:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:43,705 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:43,792 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:43,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:46,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (258)] Ended with exit code 0 [2024-11-13 20:55:46,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:46,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:46,413 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:46,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:46,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:46,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:46,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:46,415 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:46,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-11-13 20:55:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:46,680 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:46,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:46,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:55:46,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:50,224 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:55:50,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-11-13 20:55:50,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:50,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:50,235 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:50,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:50,235 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:50,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:50,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:50,237 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:50,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-11-13 20:55:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:50,511 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:50,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:50,543 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:55:50,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:52,056 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:55:52,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-11-13 20:55:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:52,084 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:52,084 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:52,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:52,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:52,086 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:52,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-11-13 20:55:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:52,365 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:52,442 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:52,442 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:54,160 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:54,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-11-13 20:55:54,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:54,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:54,319 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:54,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:54,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:54,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:54,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:54,320 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:54,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-11-13 20:55:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:54,587 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:54,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:55:54,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:56,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:55:56,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-11-13 20:55:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:56,527 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:56,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:56,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:56,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:56,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:56,529 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:56,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-11-13 20:55:56,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:56,799 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:55:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:55:56,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:55:56,846 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:55:59,496 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:55:59,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-11-13 20:55:59,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:55:59,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:55:59,845 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:55:59,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:55:59,845 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:55:59,845 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:55:59,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:55:59,847 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:55:59,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-11-13 20:56:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:00,123 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:00,219 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:00,220 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:01,936 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:01,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (264)] Forceful destruction successful, exit code 0 [2024-11-13 20:56:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:02,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:02,082 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:02,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:02,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:02,082 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:02,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:02,084 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:02,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-11-13 20:56:02,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:02,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:02,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:02,389 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:02,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:04,245 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:04,248 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-11-13 20:56:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:04,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:04,409 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:04,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:04,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:04,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:04,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:04,411 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:04,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-11-13 20:56:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:04,689 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:04,723 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:04,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:06,538 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:06,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-11-13 20:56:06,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:06,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:06,701 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:06,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:06,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:06,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:06,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:06,703 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:06,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-11-13 20:56:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:06,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:07,031 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:07,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:08,918 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:08,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (267)] Forceful destruction successful, exit code 0 [2024-11-13 20:56:09,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:09,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:09,081 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:09,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:09,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:09,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:09,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:09,083 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:09,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-11-13 20:56:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:09,367 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:09,399 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:09,399 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:11,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-11-13 20:56:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:11,573 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:11,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:11,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:11,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:11,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:11,574 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:11,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-11-13 20:56:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:11,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:11,885 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:11,885 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:13,666 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:13,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-11-13 20:56:13,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:13,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:13,819 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:13,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:13,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:13,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:13,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:13,821 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:13,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-11-13 20:56:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:14,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:14,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:56:14,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:16,737 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:56:16,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-11-13 20:56:16,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:16,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:16,746 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:16,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:16,746 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:16,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:16,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:16,748 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:16,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-11-13 20:56:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:17,013 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:17,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:17,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:17,052 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:18,916 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:18,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (271)] Forceful destruction successful, exit code 0 [2024-11-13 20:56:19,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:19,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:19,071 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:19,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:19,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:19,072 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:19,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:19,073 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:19,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-11-13 20:56:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:19,346 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:19,379 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:56:19,379 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:56:21,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-11-13 20:56:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:21,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:21,076 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:21,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:21,076 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:21,076 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:21,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:21,077 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:21,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-11-13 20:56:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:21,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:21,396 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:21,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:23,446 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:23,448 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-11-13 20:56:23,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:23,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:23,599 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:23,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:23,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:23,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:23,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:23,601 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:23,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-11-13 20:56:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:23,864 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:23,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:23,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:25,557 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:25,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-11-13 20:56:25,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:25,712 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:25,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:25,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:25,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:25,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:25,714 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:25,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-11-13 20:56:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:25,976 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:26,064 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:56:26,065 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:27,499 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:27,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-11-13 20:56:27,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:27,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:27,678 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:27,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:27,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:27,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:27,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:27,680 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:27,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-11-13 20:56:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:27,945 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:28,000 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:28,000 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:29,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-11-13 20:56:29,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:29,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:29,752 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:29,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:29,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:29,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:29,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:29,754 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:29,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-11-13 20:56:30,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:30,017 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:30,081 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:30,082 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:31,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-11-13 20:56:32,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:32,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:32,080 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:32,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:32,080 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:32,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:32,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:32,084 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:32,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-11-13 20:56:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:32,453 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:32,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:32,487 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:34,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-11-13 20:56:34,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:34,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:34,428 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:34,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:34,429 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:34,429 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:34,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:34,430 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:34,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-11-13 20:56:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:34,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:34,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:56:34,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:37,729 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:56:37,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-11-13 20:56:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:37,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:37,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:37,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:37,739 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:37,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-11-13 20:56:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:38,001 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:38,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:56:38,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:39,674 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:39,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-11-13 20:56:39,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:39,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:39,701 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:39,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:39,702 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:39,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:39,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:39,703 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:39,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-11-13 20:56:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:39,975 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:40,057 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:56:40,058 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:41,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-11-13 20:56:41,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:41,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:41,689 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:41,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:41,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:41,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:41,691 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:41,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-11-13 20:56:41,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:41,958 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:41,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:56:41,991 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:43,525 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:56:43,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-11-13 20:56:43,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:43,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:43,551 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:43,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:43,551 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:43,551 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:43,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:43,553 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:43,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-11-13 20:56:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:43,819 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:43,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:56:43,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:45,342 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:45,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-11-13 20:56:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:45,526 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:45,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:45,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:45,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:45,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:45,528 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:45,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-11-13 20:56:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:45,787 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:45,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:45,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:47,789 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:47,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-11-13 20:56:47,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:47,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:47,940 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:47,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:47,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:47,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:47,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:47,942 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:47,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-11-13 20:56:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:48,202 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:48,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:48,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:49,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-11-13 20:56:50,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:50,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:50,012 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:50,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:50,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:50,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:50,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:50,013 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:50,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-11-13 20:56:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:50,363 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:50,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:50,476 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:50,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:52,102 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:52,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-11-13 20:56:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:52,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:52,139 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:52,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:52,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:52,139 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:52,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:52,141 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:52,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-11-13 20:56:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:52,403 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:52,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:52,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:56:52,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:54,369 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:54,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-11-13 20:56:54,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:54,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:54,592 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:54,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:54,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:54,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:54,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:54,596 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:54,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-11-13 20:56:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:54,984 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:55,039 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:56:55,040 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:56,422 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:56:56,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (288)] Forceful destruction successful, exit code 0 [2024-11-13 20:56:56,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:56,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:56,596 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:56,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:56,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:56,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:56,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:56,598 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:56,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-11-13 20:56:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:56,848 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:56,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:56,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:56:56,879 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:56:58,559 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:56:58,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-11-13 20:56:58,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:58,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:56:58,590 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:56:58,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:56:58,590 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:58,590 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:58,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:58,592 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:58,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-11-13 20:56:58,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:58,846 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:58,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:56:58,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:01,206 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:01,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (290)] Ended with exit code 0 [2024-11-13 20:57:01,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:01,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:01,367 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:01,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:01,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:01,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:01,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:01,369 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:01,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-11-13 20:57:01,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:01,723 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:01,779 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:01,780 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:04,164 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:04,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-11-13 20:57:04,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:04,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:04,330 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:04,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:04,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:04,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:04,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:04,332 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:04,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-11-13 20:57:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:04,609 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:04,643 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:04,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:06,370 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:06,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-11-13 20:57:06,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:06,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:06,537 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:06,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:06,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:06,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:06,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:06,539 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:06,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-11-13 20:57:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:06,818 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:06,888 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:06,889 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:09,915 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:09,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-11-13 20:57:10,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:10,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:10,077 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:10,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:10,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:10,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:10,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:10,079 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:10,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-11-13 20:57:10,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:10,355 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:10,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:10,476 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:12,238 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:12,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-11-13 20:57:12,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:12,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:12,389 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:12,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:12,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:12,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:12,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:12,391 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:12,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-11-13 20:57:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:12,651 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:12,684 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:12,685 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:14,443 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:14,446 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-11-13 20:57:14,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:14,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:14,599 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:14,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:14,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:14,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:14,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:14,601 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:14,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-11-13 20:57:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:14,862 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:14,922 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:14,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:16,617 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:16,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-11-13 20:57:16,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:16,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:16,769 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:16,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:16,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:16,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:16,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:16,771 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:16,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-11-13 20:57:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:17,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:17,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:17,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:57:17,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:57:18,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-11-13 20:57:18,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:18,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:18,938 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:18,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:18,938 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:18,938 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:18,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:18,940 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:18,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-11-13 20:57:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:19,201 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:19,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:57:19,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:20,973 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:20,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-11-13 20:57:21,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:21,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:21,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:21,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:21,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:21,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:21,162 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:21,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-11-13 20:57:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:21,446 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:21,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:21,479 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:23,245 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:23,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-11-13 20:57:23,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:23,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:23,397 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:23,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:23,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:23,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:23,399 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:23,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-11-13 20:57:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:23,660 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:23,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:23,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:23,717 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:25,263 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:25,267 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-11-13 20:57:25,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:25,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:25,425 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:25,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:25,425 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:25,425 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:25,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:25,427 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:25,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-11-13 20:57:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:25,691 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:25,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:25,770 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:27,719 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:27,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-11-13 20:57:27,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:27,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:27,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:27,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:27,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:27,874 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:27,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-11-13 20:57:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:28,136 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:28,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:28,198 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:29,972 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:29,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (302)] Forceful destruction successful, exit code 0 [2024-11-13 20:57:30,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:30,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:30,125 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:30,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:30,125 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:30,125 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:30,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:30,127 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:30,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-11-13 20:57:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:30,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:30,475 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:30,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:32,240 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:32,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (303)] Ended with exit code 0 [2024-11-13 20:57:32,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:32,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:32,396 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:32,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:32,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:32,396 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:32,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:32,398 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:32,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-11-13 20:57:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:32,664 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:32,698 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:32,699 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:34,473 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:34,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-11-13 20:57:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:34,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:34,639 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:34,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:34,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:34,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:34,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:34,641 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:34,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-11-13 20:57:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:34,918 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:34,950 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:34,951 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:36,821 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:36,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-11-13 20:57:36,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:36,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:36,859 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:36,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:36,860 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:36,860 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:36,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:36,861 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:36,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-11-13 20:57:37,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:37,119 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:37,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:57:37,152 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:38,635 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:57:38,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-11-13 20:57:38,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:38,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:38,691 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:38,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:38,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:38,691 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:38,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:38,693 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:38,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-11-13 20:57:38,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:38,952 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:39,018 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:57:39,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:40,608 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:40,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-11-13 20:57:40,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:40,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:40,637 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:40,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:40,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:40,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:40,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:40,639 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:40,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-11-13 20:57:40,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:40,903 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:40,967 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:57:40,968 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:42,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (308)] Ended with exit code 0 [2024-11-13 20:57:42,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:42,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:42,704 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:42,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:42,704 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:42,704 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:42,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:42,706 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:42,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-11-13 20:57:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:42,969 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:43,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:43,058 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:57:43,059 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:45,378 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:45,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-11-13 20:57:45,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:45,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:45,561 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:45,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:45,561 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:45,561 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:45,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:45,562 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:45,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-11-13 20:57:45,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:45,829 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:45,897 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:57:45,898 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:47,579 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:47,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-11-13 20:57:47,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:47,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:47,764 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:47,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:47,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:47,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:47,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:47,766 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:47,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-11-13 20:57:48,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:48,025 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:48,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:48,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:48,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:50,060 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:50,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-11-13 20:57:50,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:50,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:50,213 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:50,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:50,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:50,213 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:50,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:50,217 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:50,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-11-13 20:57:50,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:50,563 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:50,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:50,601 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:52,294 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:52,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (312)] Ended with exit code 0 [2024-11-13 20:57:52,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:52,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:52,447 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:52,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:52,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:52,447 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:52,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:52,448 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:52,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-11-13 20:57:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:52,711 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:52,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:57:52,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:54,263 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:54,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-11-13 20:57:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:54,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:54,444 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:54,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:54,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:54,446 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:54,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-11-13 20:57:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:54,712 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:54,771 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:54,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:56,400 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:56,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-11-13 20:57:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:56,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:56,550 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:56,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:56,550 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:56,550 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:56,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:56,552 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:56,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-11-13 20:57:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:56,809 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:56,840 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:56,841 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:57:58,598 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:57:58,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-11-13 20:57:58,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:57:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:57:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:57:58,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:57:58,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:57:58,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:57:58,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:57:58,755 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:57:58,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-11-13 20:57:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:59,018 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:57:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:57:59,055 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:57:59,056 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:00,841 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:00,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-11-13 20:58:00,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:00,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:00,996 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:00,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:00,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:00,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:00,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:00,998 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:00,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-11-13 20:58:01,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:01,263 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:01,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:58:01,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:03,365 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:58:03,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-11-13 20:58:03,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:03,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:03,385 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:03,385 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:03,385 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:03,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:03,389 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:03,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-11-13 20:58:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:03,654 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:03,688 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:58:03,689 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:58:05,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-11-13 20:58:05,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:05,785 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:05,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:05,785 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:05,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:05,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:05,787 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:05,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-11-13 20:58:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:06,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:06,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:06,115 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:07,790 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:07,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-11-13 20:58:07,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:07,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:07,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:07,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:07,859 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:07,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:07,861 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:07,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-11-13 20:58:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:08,126 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:08,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:08,163 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:08,164 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:09,816 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:09,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-11-13 20:58:09,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:09,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:09,885 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:09,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:09,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:09,885 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:09,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:09,887 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:09,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-11-13 20:58:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:10,148 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:10,211 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:10,212 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:13,099 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:13,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-11-13 20:58:13,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:13,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:13,253 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:13,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:13,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:13,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:13,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:13,256 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:13,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-11-13 20:58:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:13,519 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:13,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:13,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:15,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-11-13 20:58:15,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:15,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:15,313 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:15,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:15,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:15,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:15,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:15,315 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:15,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-11-13 20:58:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:15,600 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:15,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 20:58:15,633 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:17,199 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:58:17,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-11-13 20:58:17,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:17,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:17,230 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:17,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:17,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:17,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:17,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:17,232 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:17,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-11-13 20:58:17,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:17,503 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:17,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:17,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:19,185 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:19,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-11-13 20:58:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:19,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:19,296 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:19,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:19,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:19,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:19,298 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:19,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-11-13 20:58:19,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:19,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:19,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:19,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:19,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:21,470 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:21,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-11-13 20:58:21,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:21,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:21,697 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:21,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:21,698 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:21,698 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:21,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:21,699 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:21,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-11-13 20:58:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:21,977 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:22,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:22,024 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:23,860 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:23,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-11-13 20:58:24,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:24,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:24,087 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:24,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:24,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:24,088 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:24,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:24,089 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:24,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-11-13 20:58:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:24,360 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:24,405 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:24,405 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:26,195 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:26,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-11-13 20:58:26,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:26,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:26,348 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:26,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:26,348 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:26,348 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:26,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:26,350 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:26,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-11-13 20:58:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:26,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:26,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:26,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:58:26,683 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:28,143 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:28,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-11-13 20:58:28,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:28,318 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:28,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:28,319 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:28,319 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:28,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:28,320 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:28,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-11-13 20:58:28,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:28,584 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:28,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:28,631 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:31,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-11-13 20:58:31,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:31,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:31,557 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:31,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:31,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:31,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:31,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:31,559 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:31,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-11-13 20:58:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:31,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:31,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:31,862 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:58:31,863 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:33,427 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:33,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-11-13 20:58:33,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:33,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:33,612 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:33,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:33,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:33,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:33,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:33,615 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:33,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-11-13 20:58:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:33,891 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:33,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:58:33,926 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:35,812 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:58:35,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-11-13 20:58:35,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:35,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:35,898 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:35,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:35,898 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:35,898 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:35,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:35,902 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:35,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-11-13 20:58:36,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:36,179 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:36,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:36,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:58:36,245 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:38,396 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:38,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-11-13 20:58:38,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:38,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:38,587 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:38,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:38,588 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:38,588 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:38,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:38,589 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:38,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-11-13 20:58:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:38,860 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:38,895 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:58:38,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:41,432 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:58:41,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (333)] Ended with exit code 0 [2024-11-13 20:58:41,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:41,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:41,441 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:41,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:41,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:41,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:41,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:41,443 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:41,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-11-13 20:58:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:41,718 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:41,750 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:41,750 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:43,900 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:43,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-11-13 20:58:44,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:44,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:44,067 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:44,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:44,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:44,067 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:44,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:44,069 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:44,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-11-13 20:58:44,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:44,348 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:44,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:44,432 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:44,433 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:46,421 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:46,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-11-13 20:58:46,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:46,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:46,651 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:46,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:46,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:46,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:46,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:46,653 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:46,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-11-13 20:58:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:46,931 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:46,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:46,994 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:46,994 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:48,862 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:48,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-11-13 20:58:49,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:49,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:49,088 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:49,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:49,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:49,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:49,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:49,090 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:49,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-11-13 20:58:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:49,407 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:49,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:49,462 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:51,301 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:51,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-11-13 20:58:51,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:51,464 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:51,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:51,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:51,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:51,465 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:51,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-11-13 20:58:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:51,732 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:51,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:51,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:53,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-11-13 20:58:53,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:53,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:53,820 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:53,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:53,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:53,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:53,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:53,823 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:53,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-11-13 20:58:54,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:54,095 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:54,171 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 20:58:54,172 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:55,688 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:55,690 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (339)] Ended with exit code 0 [2024-11-13 20:58:55,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:55,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:55,879 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:55,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:55,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:55,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:55,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:55,881 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:55,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-11-13 20:58:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:56,159 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:56,201 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:56,202 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:58:57,813 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:58:57,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-11-13 20:58:58,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:58:58,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:58:58,038 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:58:58,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:58:58,039 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:58:58,039 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:58:58,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:58:58,040 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:58:58,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-11-13 20:58:58,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:58,313 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:58:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:58:58,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:58:58,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:59:00,042 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 77 proven. 7 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-13 20:59:00,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-11-13 20:59:00,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:00,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:59:00,296 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:59:00,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:59:00,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:00,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:59:00,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:59:00,299 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:59:00,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-11-13 20:59:00,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:00,603 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:59:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:00,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 20:59:00,638 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:59:02,779 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2024-11-13 20:59:02,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (342)] Forceful destruction successful, exit code 0 [2024-11-13 20:59:02,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:59:02,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 88 states and 250 transitions. [2024-11-13 20:59:02,867 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 250 transitions. [2024-11-13 20:59:02,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 20:59:02,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:59:02,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:59:02,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:59:02,869 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:59:02,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2e6dee3-fbfb-4238-b83b-e3bda8db24cf/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-11-13 20:59:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:03,149 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:59:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:59:03,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 20:59:03,215 INFO L278 TraceCheckSpWp]: Computing forward predicates...