./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:32:02,504 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:32:02,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:32:02,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:32:02,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:32:02,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:32:02,590 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:32:02,590 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:32:02,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:32:02,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:32:02,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:32:02,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:32:02,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:32:02,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:32:02,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:32:02,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:32:02,591 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:32:02,591 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:32:02,591 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:32:02,591 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:32:02,592 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:32:02,592 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:32:02,592 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:32:02,592 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:32:02,592 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:32:02,592 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:32:02,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:32:02,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:32:02,592 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:32:02,592 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:32:02,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:32:02,593 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:32:02,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:32:02,593 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_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-12-05 21:32:02,839 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:32:02,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:32:02,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:32:02,851 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:32:02,851 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:32:02,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-12-05 21:32:05,726 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/data/8dc525709/cc4ea97872d5429191cdd2aee39900b0/FLAGbaaf5f1f8 [2024-12-05 21:32:05,899 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:32:05,900 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-12-05 21:32:05,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/data/8dc525709/cc4ea97872d5429191cdd2aee39900b0/FLAGbaaf5f1f8 [2024-12-05 21:32:06,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/data/8dc525709/cc4ea97872d5429191cdd2aee39900b0 [2024-12-05 21:32:06,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:32:06,269 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:32:06,270 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:32:06,270 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:32:06,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:32:06,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,274 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@638b0387 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06, skipping insertion in model container [2024-12-05 21:32:06,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:32:06,383 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_356c5473-7d6f-448f-8594-8477865cd9a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-12-05 21:32:06,410 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:32:06,418 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:32:06,426 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_356c5473-7d6f-448f-8594-8477865cd9a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-12-05 21:32:06,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:32:06,448 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:32:06,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06 WrapperNode [2024-12-05 21:32:06,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:32:06,449 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:32:06,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:32:06,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:32:06,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,461 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,484 INFO L138 Inliner]: procedures = 26, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 81 [2024-12-05 21:32:06,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:32:06,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:32:06,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:32:06,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:32:06,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,500 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,501 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,504 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,506 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,509 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:32:06,510 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:32:06,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:32:06,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:32:06,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:32:06,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:32:06,536 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:32:06,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:32:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:32:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:32:06,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:32:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:32:06,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:32:06,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:32:06,620 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:32:06,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:32:06,811 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-05 21:32:06,811 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:32:06,918 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:32:06,918 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 21:32:06,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:32:06 BoogieIcfgContainer [2024-12-05 21:32:06,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:32:06,920 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:32:06,920 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:32:06,929 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:32:06,929 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:32:06" (1/1) ... [2024-12-05 21:32:06,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:32:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-12-05 21:32:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-05 21:32:06,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:06,988 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:06,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:32:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-05 21:32:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:32:07,203 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 21:32:07,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 21:32:07,275 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 21:32:07,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:32:07 ImpRootNode [2024-12-05 21:32:07,310 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:32:07,311 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:32:07,311 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:32:07,311 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:32:07,312 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:32:06" (3/4) ... [2024-12-05 21:32:07,315 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 21:32:07,316 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:32:07,317 INFO L158 Benchmark]: Toolchain (without parser) took 1047.46ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 87.2MB in the end (delta: 5.3MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2024-12-05 21:32:07,317 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:32:07,318 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.83ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:32:07,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.52ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 78.7MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:32:07,319 INFO L158 Benchmark]: Boogie Preprocessor took 24.60ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:32:07,319 INFO L158 Benchmark]: RCFGBuilder took 409.28ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 52.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 21:32:07,320 INFO L158 Benchmark]: CodeCheck took 390.66ms. Allocated memory is still 117.4MB. Free memory was 52.6MB in the beginning and 87.2MB in the end (delta: -34.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-12-05 21:32:07,320 INFO L158 Benchmark]: Witness Printer took 5.25ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:32:07,323 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 50, overapproximation of someBinaryFLOATComparisonOperation at line 56, overapproximation of bitwiseAnd at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -16; [L23] signed long int var_1_6 = 10; [L24] unsigned char var_1_8 = 0; [L25] unsigned char var_1_9 = 4; [L26] float var_1_10 = 15.5; [L27] float var_1_11 = 99.125; [L28] signed short int var_1_12 = 2; [L29] signed long int last_1_var_1_1 = -16; [L60] isInitial = 1 [L61] FCALL initially() [L63] CALL updateLastVariables() [L53] last_1_var_1_1 = var_1_1 [L63] RET updateLastVariables() [L64] CALL updateVariables() [L42] var_1_6 = __VERIFIER_nondet_long() [L43] CALL assume_abort_if_not(var_1_6 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L43] RET assume_abort_if_not(var_1_6 >= -2147483648) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=4] [L44] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L44] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=4] [L45] CALL assume_abort_if_not(var_1_6 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=4] [L20] COND FALSE !(!cond) [L45] RET assume_abort_if_not(var_1_6 != 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=4] [L46] var_1_9 = __VERIFIER_nondet_uchar() [L47] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0] [L20] COND FALSE !(!cond) [L47] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0] [L48] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L48] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_11=793/8, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=2] [L49] var_1_11 = __VERIFIER_nondet_float() [L50] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) [L50] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=31/2, var_1_12=2, var_1_1=-16, var_1_6=-5, var_1_8=0, var_1_9=2] [L64] RET updateVariables() [L65] CALL step() [L33] var_1_8 = var_1_9 [L34] var_1_10 = var_1_11 [L35] var_1_12 = var_1_9 [L36] EXPR var_1_8 & (var_1_12 * var_1_8) [L36] signed long int stepLocal_0 = var_1_8 & (var_1_12 * var_1_8); [L37] COND TRUE stepLocal_0 < (last_1_var_1_1 / var_1_6) [L38] var_1_1 = (var_1_8 + 256) [L65] RET step() [L66] CALL, EXPR property() [L56] EXPR var_1_8 & (var_1_12 * var_1_8) [L56-L57] return (((((var_1_8 & (var_1_12 * var_1_8)) < (last_1_var_1_1 / var_1_6)) ? (var_1_1 == ((signed long int) (var_1_8 + 256))) : 1) && (var_1_8 == ((unsigned char) var_1_9))) && (var_1_10 == ((float) var_1_11))) && (var_1_12 == ((signed short int) var_1_9)) ; [L66] RET, EXPR property() [L66] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=2, var_1_1=258, var_1_6=-5, var_1_8=2, var_1_9=2] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-16, var_1_10=2, var_1_11=2, var_1_12=2, var_1_1=258, var_1_6=-5, var_1_8=2, var_1_9=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.83ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.52ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 78.7MB in the end (delta: 2.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.60ms. Allocated memory is still 117.4MB. Free memory was 78.7MB in the beginning and 77.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 409.28ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 52.6MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 390.66ms. Allocated memory is still 117.4MB. Free memory was 52.6MB in the beginning and 87.2MB in the end (delta: -34.6MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Witness Printer took 5.25ms. Allocated memory is still 117.4MB. Free memory was 87.2MB in the beginning and 87.2MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 21:32:07,342 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/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_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:32:09,750 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:32:09,864 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 21:32:09,895 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:32:09,896 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:32:09,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:32:09,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:32:09,897 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:32:09,897 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:32:09,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:32:09,897 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:32:09,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:32:09,897 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:32:09,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:32:09,898 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:32:09,898 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:32:09,898 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 21:32:09,898 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 21:32:09,898 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 21:32:09,898 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:32:09,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:32:09,899 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:32:09,899 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:32:09,899 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:32:09,899 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:32:09,899 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:32:09,899 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:09,899 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 21:32:09,900 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:32:09,900 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:32:09,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:32:09,900 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:32:09,900 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:32:09,900 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 21:32:09,900 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:09,900 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 21:32:09,901 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_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 134b13cd1b8ac1dc8abd325434d56d90d6a754291c767bced87290501af7bb0e [2024-12-05 21:32:10,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:32:10,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:32:10,187 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:32:10,189 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:32:10,189 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:32:10,190 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-12-05 21:32:13,590 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/data/f0c21368d/f70f8d3e1d9d4822abae36fe10c74904/FLAG7918a96db [2024-12-05 21:32:13,810 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:32:13,810 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i [2024-12-05 21:32:13,818 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/data/f0c21368d/f70f8d3e1d9d4822abae36fe10c74904/FLAG7918a96db [2024-12-05 21:32:13,834 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/data/f0c21368d/f70f8d3e1d9d4822abae36fe10c74904 [2024-12-05 21:32:13,837 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:32:13,839 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:32:13,841 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:32:13,841 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:32:13,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:32:13,845 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:32:13" (1/1) ... [2024-12-05 21:32:13,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d50802 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:13, skipping insertion in model container [2024-12-05 21:32:13,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:32:13" (1/1) ... [2024-12-05 21:32:13,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:32:13,985 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_356c5473-7d6f-448f-8594-8477865cd9a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-12-05 21:32:14,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:32:14,031 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:32:14,042 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_356c5473-7d6f-448f-8594-8477865cd9a7/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount10_file-21.i[915,928] [2024-12-05 21:32:14,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:32:14,072 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:32:14,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14 WrapperNode [2024-12-05 21:32:14,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:32:14,074 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:32:14,074 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:32:14,074 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:32:14,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,111 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 63 [2024-12-05 21:32:14,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:32:14,112 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:32:14,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:32:14,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:32:14,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,122 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,130 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,131 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,135 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:32:14,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:32:14,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:32:14,143 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:32:14,144 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:32:14,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:32:14,174 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:32:14,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:32:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:32:14,201 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 21:32:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-05 21:32:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-05 21:32:14,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:32:14,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:32:14,282 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:32:14,284 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:32:14,540 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-05 21:32:14,540 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:32:14,618 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:32:14,618 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 21:32:14,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:32:14 BoogieIcfgContainer [2024-12-05 21:32:14,618 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:32:14,619 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:32:14,619 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:32:14,629 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:32:14,629 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:32:14" (1/1) ... [2024-12-05 21:32:14,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:32:14,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:14,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 18 states and 24 transitions. [2024-12-05 21:32:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2024-12-05 21:32:14,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:14,695 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:14,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:14,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:14,699 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:14,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 21:32:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:15,068 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:15,152 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:15,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:15,886 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:15,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 21:32:16,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:16,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:16,262 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:16,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:16,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:16,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:16,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:16,265 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:16,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 21:32:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:16,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:16,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:16,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:16,727 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:17,333 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:17,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 21:32:17,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:17,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:17,349 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:17,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:17,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:17,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:17,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:17,352 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:17,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 21:32:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:17,730 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:17,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:17,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:18,524 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:18,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 21:32:18,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:18,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:18,536 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:18,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:18,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:18,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:18,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:18,540 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:18,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 21:32:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:18,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:19,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:19,049 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:19,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:19,522 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:19,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 21:32:19,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:19,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:19,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:19,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:19,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:19,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:19,536 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:19,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-05 21:32:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:19,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:19,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:19,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:20,295 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:20,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-05 21:32:20,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:20,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:20,306 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:20,306 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:20,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:20,309 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:20,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-05 21:32:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:20,627 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:20,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:20,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:21,037 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:21,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-05 21:32:21,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:21,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:21,046 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:21,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:21,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:21,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:21,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:21,050 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:21,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-05 21:32:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:21,396 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:21,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:21,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:21,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-05 21:32:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:21,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:21,876 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:21,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:21,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:21,877 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:21,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:21,879 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:21,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-05 21:32:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:22,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:22,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:22,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:22,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:22,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-05 21:32:22,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:22,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:22,558 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:22,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:22,558 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:22,558 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:22,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:22,561 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:22,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-05 21:32:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:22,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:22,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:22,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:22,948 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:23,271 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:23,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-05 21:32:23,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:23,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:23,279 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:23,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:23,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:23,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:23,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:23,283 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:23,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-05 21:32:23,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:23,581 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:23,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:23,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:23,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:23,966 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:23,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-05 21:32:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:23,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:23,974 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:23,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:23,975 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:23,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:23,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:23,977 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:23,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-05 21:32:24,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:24,292 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:24,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:24,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:24,727 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:24,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-05 21:32:24,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:24,736 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:24,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:24,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:24,736 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:24,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:24,739 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:24,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-05 21:32:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:25,053 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:25,121 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:25,122 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:25,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:25,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-05 21:32:25,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:25,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:25,519 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:25,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:25,519 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:25,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:25,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:25,522 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:25,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-05 21:32:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:25,825 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:25,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:25,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:26,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-05 21:32:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:26,214 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:26,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:26,215 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:26,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:26,217 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:26,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-05 21:32:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:26,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:26,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:26,598 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:26,954 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:26,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-05 21:32:26,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:26,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:26,961 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:26,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:26,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:26,961 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:26,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:26,963 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:26,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-05 21:32:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:27,250 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:27,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:27,296 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:27,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:27,616 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:27,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-05 21:32:27,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:27,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:27,624 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:27,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:27,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:27,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:27,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:27,626 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:27,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-05 21:32:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:27,923 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:27,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:27,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:28,288 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:28,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-05 21:32:28,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:28,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:28,296 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:28,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:28,297 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:28,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:28,299 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:28,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-05 21:32:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:28,611 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:28,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:28,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:28,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:29,044 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:29,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-05 21:32:29,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:29,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:29,051 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:29,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:29,051 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:29,051 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:29,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:29,054 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:29,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-05 21:32:29,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:29,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:29,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:29,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:29,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:29,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-05 21:32:29,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:29,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:29,763 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:29,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:29,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:29,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:29,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:29,767 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:29,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-05 21:32:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:30,062 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:30,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:30,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:30,444 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:30,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-05 21:32:30,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:30,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:30,451 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:30,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:30,451 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:30,451 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:30,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:30,453 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:30,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-05 21:32:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:30,756 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:30,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:30,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:30,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:31,171 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:31,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-05 21:32:31,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:31,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:31,177 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:31,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:31,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:31,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:31,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:31,179 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:31,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-05 21:32:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:31,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:31,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:31,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:31,935 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:31,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-05 21:32:31,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:31,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:31,941 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:31,942 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:31,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:31,944 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:31,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-05 21:32:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:32,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:32,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:32,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:32,714 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:32,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-05 21:32:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:32,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:32,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:32,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:32,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:32,723 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:32,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-05 21:32:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:33,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:33,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:33,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:33,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:33,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:33,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-05 21:32:33,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:33,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:33,432 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:33,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:33,432 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:33,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:33,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:33,434 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:33,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-05 21:32:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:33,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:33,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:33,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:33,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:33,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:33,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-05 21:32:33,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:33,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:33,923 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:33,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:33,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:33,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:33,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:33,925 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:33,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-05 21:32:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:34,136 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:34,174 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:34,175 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:34,414 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:34,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-05 21:32:34,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:34,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:34,419 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:34,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:34,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:34,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:34,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:34,421 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:34,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-05 21:32:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:34,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:34,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:34,671 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:34,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:34,924 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:34,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-05 21:32:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:34,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:34,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:34,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:34,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:34,933 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:34,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-05 21:32:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:35,171 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:35,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:35,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:35,436 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:35,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Forceful destruction successful, exit code 0 [2024-12-05 21:32:35,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:35,441 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:35,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:35,442 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:35,442 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:35,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:35,443 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:35,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-05 21:32:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:35,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:35,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:35,713 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:35,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:35,926 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:35,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-05 21:32:35,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:35,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:35,931 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:35,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:35,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:35,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:35,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:35,933 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:35,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-05 21:32:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:36,144 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:36,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:36,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:36,435 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:36,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-05 21:32:36,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:36,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 19 states and 26 transitions. [2024-12-05 21:32:36,439 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 26 transitions. [2024-12-05 21:32:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:36,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:36,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:36,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:36,441 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:36,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-05 21:32:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:36,652 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:36,687 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:32:36,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:32:37,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Ended with exit code 0 [2024-12-05 21:32:37,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:37,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:37,183 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:37,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:37,183 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:37,183 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:37,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:37,184 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:37,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-05 21:32:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:37,387 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:37,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:37,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:37,644 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:37,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Ended with exit code 0 [2024-12-05 21:32:37,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:37,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:37,650 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:37,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:37,650 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:37,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:37,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:37,652 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:37,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-05 21:32:37,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:37,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:37,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:37,937 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:38,183 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:38,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Ended with exit code 0 [2024-12-05 21:32:38,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:38,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:38,188 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:38,189 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:38,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:38,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:38,190 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:38,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-05 21:32:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:38,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:38,505 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:38,506 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:38,802 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:38,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Ended with exit code 0 [2024-12-05 21:32:38,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:38,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:38,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:38,808 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:38,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:38,810 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:38,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Waiting until timeout for monitored process [2024-12-05 21:32:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:39,108 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:39,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:39,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:39,170 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:39,585 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:39,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (35)] Ended with exit code 0 [2024-12-05 21:32:39,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:39,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:39,592 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:39,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:39,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:39,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:39,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:39,594 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:39,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Waiting until timeout for monitored process [2024-12-05 21:32:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:39,888 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:39,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:39,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:40,302 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:40,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (36)] Ended with exit code 0 [2024-12-05 21:32:40,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:40,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:40,308 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:40,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:40,309 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:40,309 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:40,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:40,311 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:40,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Waiting until timeout for monitored process [2024-12-05 21:32:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:40,607 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:40,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:40,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:40,914 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:40,917 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (37)] Ended with exit code 0 [2024-12-05 21:32:40,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:40,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:40,919 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:40,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:40,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:40,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:40,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:40,921 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:40,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Waiting until timeout for monitored process [2024-12-05 21:32:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:41,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:41,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:41,165 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:41,166 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:41,390 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:41,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (38)] Forceful destruction successful, exit code 0 [2024-12-05 21:32:41,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:41,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:41,395 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:41,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:41,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:41,395 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:41,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:41,397 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:41,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Waiting until timeout for monitored process [2024-12-05 21:32:41,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:41,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:41,688 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:41,689 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:41,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:41,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (39)] Ended with exit code 0 [2024-12-05 21:32:41,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:41,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:41,944 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:41,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:41,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:41,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:41,946 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:41,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Waiting until timeout for monitored process [2024-12-05 21:32:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:42,184 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:42,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:42,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:42,495 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:42,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (40)] Ended with exit code 0 [2024-12-05 21:32:42,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:42,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:42,499 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:42,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:42,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:42,500 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:42,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:42,501 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:42,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Waiting until timeout for monitored process [2024-12-05 21:32:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:42,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:42,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:42,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:43,105 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:43,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (41)] Ended with exit code 0 [2024-12-05 21:32:43,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:43,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:43,111 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:43,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:43,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:43,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:43,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:43,113 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:43,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Waiting until timeout for monitored process [2024-12-05 21:32:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:43,414 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:43,481 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:43,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:43,832 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:43,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (42)] Ended with exit code 0 [2024-12-05 21:32:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:43,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:43,839 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:43,839 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:43,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:43,841 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:43,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Waiting until timeout for monitored process [2024-12-05 21:32:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:44,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:44,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:44,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:44,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:44,535 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:44,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (43)] Ended with exit code 0 [2024-12-05 21:32:44,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:44,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:44,541 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:44,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:44,541 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:44,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:44,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:44,543 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:44,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Waiting until timeout for monitored process [2024-12-05 21:32:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:44,845 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:44,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:44,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:44,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:45,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:45,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (44)] Ended with exit code 0 [2024-12-05 21:32:45,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:45,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:45,257 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:45,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:45,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:45,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:45,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:45,259 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:45,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Waiting until timeout for monitored process [2024-12-05 21:32:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:45,557 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:45,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:32:45,632 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:45,915 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:32:45,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (45)] Ended with exit code 0 [2024-12-05 21:32:45,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:45,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:45,921 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:45,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:45,921 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:45,921 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:45,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:45,923 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:45,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Waiting until timeout for monitored process [2024-12-05 21:32:46,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:46,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:46,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:46,262 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:46,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:46,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (46)] Ended with exit code 0 [2024-12-05 21:32:46,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:46,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:46,617 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:46,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:46,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:46,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:46,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:46,619 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:46,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Waiting until timeout for monitored process [2024-12-05 21:32:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:46,895 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:46,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:46,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:47,293 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:47,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (47)] Ended with exit code 0 [2024-12-05 21:32:47,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:47,300 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:47,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:47,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:47,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:47,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:47,302 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:47,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Waiting until timeout for monitored process [2024-12-05 21:32:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:47,629 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:47,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:47,704 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:48,021 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:48,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (48)] Ended with exit code 0 [2024-12-05 21:32:48,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:48,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:48,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:48,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:48,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:48,034 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:48,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Waiting until timeout for monitored process [2024-12-05 21:32:48,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:48,336 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:48,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:48,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:48,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:48,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (49)] Ended with exit code 0 [2024-12-05 21:32:48,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:48,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:48,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:48,754 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:48,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:48,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:48,756 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:48,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Waiting until timeout for monitored process [2024-12-05 21:32:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:49,048 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:49,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:32:49,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:49,352 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:32:49,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (50)] Ended with exit code 0 [2024-12-05 21:32:49,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:49,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:49,359 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:49,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:49,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:49,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:49,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:49,361 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:49,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Waiting until timeout for monitored process [2024-12-05 21:32:49,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:49,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:49,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:49,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:49,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:50,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:50,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (51)] Ended with exit code 0 [2024-12-05 21:32:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:50,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:50,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:50,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:50,175 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:50,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Waiting until timeout for monitored process [2024-12-05 21:32:50,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:50,472 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:50,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:50,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:50,863 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:50,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (52)] Ended with exit code 0 [2024-12-05 21:32:50,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:50,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:50,869 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:50,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:50,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:50,870 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:50,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:50,872 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:50,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Waiting until timeout for monitored process [2024-12-05 21:32:51,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:51,163 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:51,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:51,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:51,490 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:51,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (53)] Ended with exit code 0 [2024-12-05 21:32:51,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:51,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:51,495 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:51,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:51,496 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:51,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:51,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:51,498 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:51,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Waiting until timeout for monitored process [2024-12-05 21:32:51,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:51,790 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:51,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:51,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:52,168 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:52,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (54)] Forceful destruction successful, exit code 0 [2024-12-05 21:32:52,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:52,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:52,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:52,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:52,175 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:52,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:52,177 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:52,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Waiting until timeout for monitored process [2024-12-05 21:32:52,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:52,472 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:52,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:52,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:52,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (55)] Forceful destruction successful, exit code 0 [2024-12-05 21:32:52,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:52,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:52,783 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:52,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:52,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:52,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:52,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:52,785 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:52,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Waiting until timeout for monitored process [2024-12-05 21:32:52,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:52,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:53,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:53,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:53,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:53,253 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:53,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (56)] Ended with exit code 0 [2024-12-05 21:32:53,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:53,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:53,257 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:53,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:53,257 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:53,257 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:53,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:53,259 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:53,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Waiting until timeout for monitored process [2024-12-05 21:32:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:53,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:53,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:53,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:53,512 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:53,743 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:53,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (57)] Ended with exit code 0 [2024-12-05 21:32:53,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:53,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:53,748 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:53,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:53,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:53,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:53,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:53,750 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:53,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Waiting until timeout for monitored process [2024-12-05 21:32:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:53,975 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:53,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:54,002 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:54,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:54,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (58)] Ended with exit code 0 [2024-12-05 21:32:54,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:54,242 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:54,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:54,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:54,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:54,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:54,244 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:54,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Waiting until timeout for monitored process [2024-12-05 21:32:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:54,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:54,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:54,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:54,791 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:54,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (59)] Ended with exit code 0 [2024-12-05 21:32:54,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:54,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:54,797 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:54,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:54,797 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:54,797 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:54,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:54,798 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:54,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Waiting until timeout for monitored process [2024-12-05 21:32:55,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:55,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:55,185 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:55,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:55,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:55,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (60)] Ended with exit code 0 [2024-12-05 21:32:55,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:55,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:55,527 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:55,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:55,527 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:55,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:55,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:55,529 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:55,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Waiting until timeout for monitored process [2024-12-05 21:32:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:55,838 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:55,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:55,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:56,266 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:56,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (61)] Ended with exit code 0 [2024-12-05 21:32:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:56,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:56,273 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:56,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:56,274 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:56,274 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:56,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:56,276 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:56,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Waiting until timeout for monitored process [2024-12-05 21:32:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:56,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:56,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:56,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:57,026 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:57,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (62)] Ended with exit code 0 [2024-12-05 21:32:57,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:57,032 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:57,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:57,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:57,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:57,034 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:57,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Waiting until timeout for monitored process [2024-12-05 21:32:57,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:57,261 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:57,304 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:57,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:57,555 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:57,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (63)] Ended with exit code 0 [2024-12-05 21:32:57,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:57,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:57,560 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:57,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:57,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:57,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:57,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:57,562 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:57,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Waiting until timeout for monitored process [2024-12-05 21:32:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:57,760 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:57,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:57,808 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:58,035 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:58,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (64)] Ended with exit code 0 [2024-12-05 21:32:58,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:58,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:58,040 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:58,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:58,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:58,040 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:58,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:58,042 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:58,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Waiting until timeout for monitored process [2024-12-05 21:32:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:58,246 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:58,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:58,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:58,535 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:58,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (65)] Ended with exit code 0 [2024-12-05 21:32:58,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:58,542 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:58,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:58,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:58,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:58,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:58,544 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:58,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Waiting until timeout for monitored process [2024-12-05 21:32:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:58,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:58,839 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:32:58,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:59,084 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:32:59,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (66)] Ended with exit code 0 [2024-12-05 21:32:59,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:59,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:59,088 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:59,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:59,089 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:59,089 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:59,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:59,090 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:59,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Waiting until timeout for monitored process [2024-12-05 21:32:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:59,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:59,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:32:59,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:32:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:32:59,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (67)] Ended with exit code 0 [2024-12-05 21:32:59,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:32:59,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:32:59,600 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:32:59,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:32:59,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:32:59,601 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:32:59,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:32:59,602 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:32:59,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Waiting until timeout for monitored process [2024-12-05 21:32:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:59,793 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:32:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:32:59,840 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:32:59,841 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:00,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:00,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (68)] Ended with exit code 0 [2024-12-05 21:33:00,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:00,023 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:00,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:00,023 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:00,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:00,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:00,025 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:00,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Waiting until timeout for monitored process [2024-12-05 21:33:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:00,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:00,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:00,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:00,591 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:00,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (69)] Ended with exit code 0 [2024-12-05 21:33:00,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:00,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:00,595 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:00,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:00,595 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:00,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:00,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:00,597 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:00,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Waiting until timeout for monitored process [2024-12-05 21:33:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:00,791 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:00,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:00,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:00,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:01,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (70)] Ended with exit code 0 [2024-12-05 21:33:01,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:01,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:01,085 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:01,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:01,085 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:01,085 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:01,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:01,086 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:01,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Waiting until timeout for monitored process [2024-12-05 21:33:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:01,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:01,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:01,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:01,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (71)] Ended with exit code 0 [2024-12-05 21:33:01,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:01,632 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:01,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:01,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:01,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:01,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:01,633 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:01,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Waiting until timeout for monitored process [2024-12-05 21:33:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:01,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:01,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:01,898 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:02,155 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:02,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (72)] Ended with exit code 0 [2024-12-05 21:33:02,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:02,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:02,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:02,160 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:02,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:02,162 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:02,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Waiting until timeout for monitored process [2024-12-05 21:33:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:02,550 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:02,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:02,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:02,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:02,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (73)] Ended with exit code 0 [2024-12-05 21:33:02,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:02,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:02,925 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:02,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:02,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:02,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:02,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:02,927 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:02,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Waiting until timeout for monitored process [2024-12-05 21:33:03,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:03,225 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:03,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:03,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:03,673 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:03,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (74)] Ended with exit code 0 [2024-12-05 21:33:03,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:03,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:03,679 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:03,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:03,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:03,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:03,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:03,682 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:03,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Waiting until timeout for monitored process [2024-12-05 21:33:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:03,982 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:04,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:33:04,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:04,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (75)] Ended with exit code 0 [2024-12-05 21:33:04,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:04,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:04,296 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:04,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:04,296 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:04,296 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:04,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:04,298 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:04,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Waiting until timeout for monitored process [2024-12-05 21:33:04,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:04,644 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:04,722 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:33:04,723 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:05,026 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:05,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (76)] Ended with exit code 0 [2024-12-05 21:33:05,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:05,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:05,032 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:05,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:05,033 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:05,033 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:05,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:05,034 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:05,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Waiting until timeout for monitored process [2024-12-05 21:33:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:05,345 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:05,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:05,402 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:05,747 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:05,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (77)] Ended with exit code 0 [2024-12-05 21:33:05,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:05,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:05,752 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:05,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:05,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:05,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:05,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:05,755 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:05,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Waiting until timeout for monitored process [2024-12-05 21:33:06,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:06,052 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:06,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:06,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:06,461 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:06,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (78)] Ended with exit code 0 [2024-12-05 21:33:06,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:06,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:06,466 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:06,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:06,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:06,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:06,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:06,468 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:06,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Waiting until timeout for monitored process [2024-12-05 21:33:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:06,794 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:06,858 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:33:06,859 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:07,147 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:07,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (79)] Ended with exit code 0 [2024-12-05 21:33:07,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:07,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:07,152 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:07,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:07,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:07,153 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:07,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:07,154 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:07,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Waiting until timeout for monitored process [2024-12-05 21:33:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:07,353 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:07,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:07,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:33:07,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:07,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (80)] Ended with exit code 0 [2024-12-05 21:33:07,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:07,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:07,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:07,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:07,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:07,605 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:07,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Waiting until timeout for monitored process [2024-12-05 21:33:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:07,819 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:07,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:07,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:08,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (81)] Ended with exit code 0 [2024-12-05 21:33:08,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:08,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:08,105 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:08,105 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:08,105 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:08,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:08,106 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:08,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Waiting until timeout for monitored process [2024-12-05 21:33:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:08,311 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:08,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:08,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:08,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (82)] Ended with exit code 0 [2024-12-05 21:33:08,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:08,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:08,602 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:08,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:08,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:08,603 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:08,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:08,604 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:08,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Waiting until timeout for monitored process [2024-12-05 21:33:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:08,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:08,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:08,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:08,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:09,185 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:09,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (83)] Ended with exit code 0 [2024-12-05 21:33:09,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:09,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:09,190 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:09,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:09,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:09,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:09,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:09,191 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:09,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Waiting until timeout for monitored process [2024-12-05 21:33:09,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:09,413 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:09,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:09,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:09,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:09,755 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:09,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (84)] Ended with exit code 0 [2024-12-05 21:33:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:09,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:09,761 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:09,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:09,763 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:09,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Waiting until timeout for monitored process [2024-12-05 21:33:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:10,062 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:10,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:10,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:10,602 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:10,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (85)] Ended with exit code 0 [2024-12-05 21:33:10,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:10,608 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:10,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:10,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:10,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:10,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:10,610 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:10,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Waiting until timeout for monitored process [2024-12-05 21:33:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:10,909 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:10,982 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:10,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:11,323 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:11,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (86)] Ended with exit code 0 [2024-12-05 21:33:11,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:11,329 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:11,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:11,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:11,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:11,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:11,332 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:11,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Waiting until timeout for monitored process [2024-12-05 21:33:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:11,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:11,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:11,691 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:12,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:12,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (87)] Ended with exit code 0 [2024-12-05 21:33:12,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:12,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:12,050 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:12,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:12,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:12,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:12,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:12,052 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:12,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Waiting until timeout for monitored process [2024-12-05 21:33:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:12,376 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:12,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:12,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:12,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:12,794 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:12,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (88)] Ended with exit code 0 [2024-12-05 21:33:12,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:12,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:12,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:12,801 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:12,801 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:12,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:12,803 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:12,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Waiting until timeout for monitored process [2024-12-05 21:33:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:13,094 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:13,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:13,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:13,444 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:13,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (89)] Ended with exit code 0 [2024-12-05 21:33:13,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:13,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:13,449 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:13,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:13,449 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:13,449 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:13,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:13,450 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:13,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Waiting until timeout for monitored process [2024-12-05 21:33:13,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:13,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:13,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:13,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:13,895 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:13,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (90)] Ended with exit code 0 [2024-12-05 21:33:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:13,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:13,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:13,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:13,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:13,900 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:13,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Waiting until timeout for monitored process [2024-12-05 21:33:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:14,107 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:14,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:14,142 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:14,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:14,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (91)] Ended with exit code 0 [2024-12-05 21:33:14,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:14,386 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:14,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:14,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:14,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:14,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:14,387 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:14,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Waiting until timeout for monitored process [2024-12-05 21:33:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:14,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:14,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:14,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:14,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (92)] Ended with exit code 0 [2024-12-05 21:33:14,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:14,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:14,918 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:14,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:14,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:14,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:14,919 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:14,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Waiting until timeout for monitored process [2024-12-05 21:33:15,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:15,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:15,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:15,185 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:15,406 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:15,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (93)] Ended with exit code 0 [2024-12-05 21:33:15,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:15,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:15,411 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:15,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:15,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:15,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:15,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:15,412 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:15,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Waiting until timeout for monitored process [2024-12-05 21:33:15,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:15,625 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:15,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:15,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:15,965 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:15,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (94)] Ended with exit code 0 [2024-12-05 21:33:15,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:15,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:15,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:15,970 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:15,971 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:15,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:15,972 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:15,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Waiting until timeout for monitored process [2024-12-05 21:33:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:16,261 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:16,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:16,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:16,642 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:16,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (95)] Forceful destruction successful, exit code 0 [2024-12-05 21:33:16,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:16,648 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:16,648 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:16,648 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:16,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:16,650 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:16,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Waiting until timeout for monitored process [2024-12-05 21:33:16,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:16,947 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:16,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:17,000 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:17,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:17,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (96)] Ended with exit code 0 [2024-12-05 21:33:17,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:17,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:17,378 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:17,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:17,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:17,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:17,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:17,380 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:17,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Waiting until timeout for monitored process [2024-12-05 21:33:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:17,653 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:17,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:17,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:17,936 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:17,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (97)] Ended with exit code 0 [2024-12-05 21:33:17,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:17,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:17,940 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:17,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:17,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:17,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:17,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:17,942 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:17,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Waiting until timeout for monitored process [2024-12-05 21:33:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:18,134 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:18,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:18,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:18,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:18,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (98)] Ended with exit code 0 [2024-12-05 21:33:18,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:18,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:18,391 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:18,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:18,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:18,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:18,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:18,393 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:18,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Waiting until timeout for monitored process [2024-12-05 21:33:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:18,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:18,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:18,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:18,865 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:18,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (99)] Ended with exit code 0 [2024-12-05 21:33:18,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:18,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:18,869 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:18,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:18,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:18,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:18,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:18,871 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:18,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Waiting until timeout for monitored process [2024-12-05 21:33:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:19,093 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:19,128 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:19,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:19,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:19,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (100)] Ended with exit code 0 [2024-12-05 21:33:19,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:19,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:19,388 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:19,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:19,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:19,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:19,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:19,390 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:19,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Waiting until timeout for monitored process [2024-12-05 21:33:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:19,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:19,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:19,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:19,887 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:19,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (101)] Ended with exit code 0 [2024-12-05 21:33:19,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:19,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:19,891 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:19,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:19,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:19,892 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:19,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:19,893 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:19,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Waiting until timeout for monitored process [2024-12-05 21:33:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:20,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:20,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:20,215 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:20,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:20,573 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:20,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (102)] Ended with exit code 0 [2024-12-05 21:33:20,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:20,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:20,579 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:20,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:20,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:20,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:20,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:20,581 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:20,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Waiting until timeout for monitored process [2024-12-05 21:33:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:20,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:20,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:20,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:21,263 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:21,266 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (103)] Ended with exit code 0 [2024-12-05 21:33:21,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:21,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:21,269 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:21,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:21,269 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:21,269 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:21,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:21,272 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:21,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Waiting until timeout for monitored process [2024-12-05 21:33:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:21,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:21,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:21,639 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:21,948 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:21,951 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (104)] Ended with exit code 0 [2024-12-05 21:33:21,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:21,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:21,956 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:21,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:21,956 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:21,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:21,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:21,958 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:21,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Waiting until timeout for monitored process [2024-12-05 21:33:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:22,251 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:22,314 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:22,316 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:22,624 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:22,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (105)] Ended with exit code 0 [2024-12-05 21:33:22,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:22,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:22,629 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:22,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:22,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:22,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:22,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:22,631 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:22,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Waiting until timeout for monitored process [2024-12-05 21:33:22,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:22,832 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:22,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:22,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:23,129 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:23,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (106)] Ended with exit code 0 [2024-12-05 21:33:23,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:23,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:23,133 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:23,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:23,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:23,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:23,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:23,135 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:23,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Waiting until timeout for monitored process [2024-12-05 21:33:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:23,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:23,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:23,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:23,603 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:23,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (107)] Ended with exit code 0 [2024-12-05 21:33:23,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:23,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:23,607 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:23,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:23,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:23,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:23,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:23,609 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:23,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Waiting until timeout for monitored process [2024-12-05 21:33:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:23,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:23,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:23,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:24,096 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:24,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (108)] Forceful destruction successful, exit code 0 [2024-12-05 21:33:24,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:24,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:24,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:24,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:24,101 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:24,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:24,102 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:24,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Waiting until timeout for monitored process [2024-12-05 21:33:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:24,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:24,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:24,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:24,629 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:24,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (109)] Ended with exit code 0 [2024-12-05 21:33:24,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:24,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:24,634 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:24,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:24,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:24,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:24,636 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:24,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Waiting until timeout for monitored process [2024-12-05 21:33:24,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:24,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:24,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:24,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:25,146 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:25,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (110)] Forceful destruction successful, exit code 0 [2024-12-05 21:33:25,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:25,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:25,152 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:25,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:25,152 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:25,152 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:25,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:25,154 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:25,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Waiting until timeout for monitored process [2024-12-05 21:33:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:25,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:25,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:25,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:25,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:25,831 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:25,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (111)] Ended with exit code 0 [2024-12-05 21:33:25,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:25,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:25,836 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:25,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:25,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:25,837 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:25,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:25,839 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:25,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Waiting until timeout for monitored process [2024-12-05 21:33:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:26,140 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:26,217 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:26,218 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:26,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (112)] Ended with exit code 0 [2024-12-05 21:33:26,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:26,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:26,544 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:26,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:26,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:26,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:26,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:26,546 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:26,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Waiting until timeout for monitored process [2024-12-05 21:33:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:26,839 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:26,918 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:26,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:27,274 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:27,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (113)] Ended with exit code 0 [2024-12-05 21:33:27,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:27,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:27,281 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:27,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:27,282 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:27,282 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:27,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:27,283 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:27,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Waiting until timeout for monitored process [2024-12-05 21:33:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:27,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:27,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:27,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:27,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:27,958 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:27,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (114)] Ended with exit code 0 [2024-12-05 21:33:27,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:27,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:27,964 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:27,964 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:27,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:27,966 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:27,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Waiting until timeout for monitored process [2024-12-05 21:33:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:28,270 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:28,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:28,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:28,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (115)] Ended with exit code 0 [2024-12-05 21:33:28,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:28,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:28,680 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:28,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:28,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:28,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:28,682 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:28,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Waiting until timeout for monitored process [2024-12-05 21:33:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:28,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:29,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:29,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:29,278 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:29,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (116)] Ended with exit code 0 [2024-12-05 21:33:29,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:29,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:29,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:29,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:29,285 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:29,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Waiting until timeout for monitored process [2024-12-05 21:33:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:29,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:29,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:29,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:29,745 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:29,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (117)] Ended with exit code 0 [2024-12-05 21:33:29,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:29,749 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:29,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:29,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:29,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:29,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:29,750 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:29,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Waiting until timeout for monitored process [2024-12-05 21:33:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:29,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:29,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:29,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:29,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:30,197 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:30,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (118)] Ended with exit code 0 [2024-12-05 21:33:30,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:30,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:30,201 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:30,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:30,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:30,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:30,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:30,203 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:30,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Waiting until timeout for monitored process [2024-12-05 21:33:30,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:30,412 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:30,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:30,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:30,759 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:30,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (119)] Ended with exit code 0 [2024-12-05 21:33:30,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:30,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:30,764 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:30,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:30,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:30,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:30,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:30,766 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:30,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Waiting until timeout for monitored process [2024-12-05 21:33:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:30,965 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:31,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:31,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:31,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:31,210 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:31,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (120)] Ended with exit code 0 [2024-12-05 21:33:31,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:31,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:31,214 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:31,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:31,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:31,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:31,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:31,216 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:31,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Waiting until timeout for monitored process [2024-12-05 21:33:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:31,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:31,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:31,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:31,645 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:31,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (121)] Ended with exit code 0 [2024-12-05 21:33:31,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:31,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:31,649 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:31,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:31,649 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:31,649 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:31,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:31,650 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:31,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Waiting until timeout for monitored process [2024-12-05 21:33:31,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:31,930 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:31,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:31,965 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:32,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (122)] Forceful destruction successful, exit code 0 [2024-12-05 21:33:32,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:32,217 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:32,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:32,217 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:32,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:32,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:32,219 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:32,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Waiting until timeout for monitored process [2024-12-05 21:33:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:32,433 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:32,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:32,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:32,729 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:32,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (123)] Ended with exit code 0 [2024-12-05 21:33:32,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:32,733 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:32,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:32,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:32,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:32,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:32,735 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:32,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Waiting until timeout for monitored process [2024-12-05 21:33:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:32,942 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:32,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:32,981 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:33:32,982 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:33,181 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:33,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (124)] Ended with exit code 0 [2024-12-05 21:33:33,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:33,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:33,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:33,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:33,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:33,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:33,188 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:33,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Waiting until timeout for monitored process [2024-12-05 21:33:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:33,454 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:33,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:33:33,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:33,797 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:33,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (125)] Ended with exit code 0 [2024-12-05 21:33:33,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:33,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:33,803 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:33,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:33,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:33,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:33,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:33,805 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:33,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Waiting until timeout for monitored process [2024-12-05 21:33:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:34,097 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:34,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:34,161 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:34,469 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:34,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (126)] Ended with exit code 0 [2024-12-05 21:33:34,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:34,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:34,475 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:34,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:34,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:34,476 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:34,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:34,478 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:34,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Waiting until timeout for monitored process [2024-12-05 21:33:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:34,782 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:34,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:34,878 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:35,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:35,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (127)] Ended with exit code 0 [2024-12-05 21:33:35,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:35,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:35,257 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:35,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:35,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:35,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:35,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:35,260 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:35,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Waiting until timeout for monitored process [2024-12-05 21:33:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:35,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:35,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:35,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:35,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (128)] Ended with exit code 0 [2024-12-05 21:33:35,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:35,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:35,823 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:35,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:35,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:35,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:35,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:35,824 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:35,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Waiting until timeout for monitored process [2024-12-05 21:33:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:36,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:36,073 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:36,074 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:36,317 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:36,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (129)] Forceful destruction successful, exit code 0 [2024-12-05 21:33:36,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:36,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:36,322 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:36,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:36,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:36,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:36,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:36,324 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:36,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Waiting until timeout for monitored process [2024-12-05 21:33:36,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:36,544 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:36,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:36,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:36,847 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:36,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (130)] Forceful destruction successful, exit code 0 [2024-12-05 21:33:36,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:36,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:36,852 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:36,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:36,853 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:36,853 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:36,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:36,854 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:36,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Waiting until timeout for monitored process [2024-12-05 21:33:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:37,073 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:37,109 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:37,109 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:37,359 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:37,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (131)] Ended with exit code 0 [2024-12-05 21:33:37,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:37,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:37,364 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:37,364 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:37,364 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:37,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:37,365 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:37,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Waiting until timeout for monitored process [2024-12-05 21:33:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:37,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:37,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:37,620 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:37,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:37,873 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:37,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (132)] Ended with exit code 0 [2024-12-05 21:33:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:37,878 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:37,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:37,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:37,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:37,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:37,879 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:37,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Waiting until timeout for monitored process [2024-12-05 21:33:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:38,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:38,213 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:38,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:38,542 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:38,546 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (133)] Ended with exit code 0 [2024-12-05 21:33:38,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:38,548 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:38,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:38,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:38,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:38,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:38,550 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:38,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Waiting until timeout for monitored process [2024-12-05 21:33:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:38,858 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:38,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:38,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:38,924 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:39,295 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:39,299 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (134)] Ended with exit code 0 [2024-12-05 21:33:39,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:39,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:39,303 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:39,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:39,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:39,303 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:39,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:39,305 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:39,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Waiting until timeout for monitored process [2024-12-05 21:33:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:39,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:39,648 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:39,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:39,945 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:39,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (135)] Ended with exit code 0 [2024-12-05 21:33:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:39,951 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:39,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:39,951 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:39,951 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:39,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:39,953 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:39,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Waiting until timeout for monitored process [2024-12-05 21:33:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:40,245 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:40,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:33:40,309 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:40,565 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:40,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (136)] Ended with exit code 0 [2024-12-05 21:33:40,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:40,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:40,571 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:40,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:40,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:40,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:40,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:40,573 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:40,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Waiting until timeout for monitored process [2024-12-05 21:33:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:40,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:40,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:40,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:40,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:41,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (137)] Ended with exit code 0 [2024-12-05 21:33:41,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:41,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:41,091 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:41,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:41,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:41,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:41,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:41,093 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:41,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Waiting until timeout for monitored process [2024-12-05 21:33:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:41,291 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:41,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:41,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:41,329 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:41,555 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:41,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (138)] Ended with exit code 0 [2024-12-05 21:33:41,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:41,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:41,559 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:41,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:41,560 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:41,560 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:41,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:41,561 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:41,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Waiting until timeout for monitored process [2024-12-05 21:33:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:41,752 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:41,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:41,795 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:42,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (139)] Ended with exit code 0 [2024-12-05 21:33:42,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:42,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:42,047 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:42,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:42,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:42,047 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:42,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:42,048 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:42,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Waiting until timeout for monitored process [2024-12-05 21:33:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:42,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:42,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:42,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:42,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (140)] Ended with exit code 0 [2024-12-05 21:33:42,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:42,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:42,584 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:42,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:42,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:42,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:42,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:42,586 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:42,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Waiting until timeout for monitored process [2024-12-05 21:33:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:42,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:42,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:42,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:43,114 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:43,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (141)] Ended with exit code 0 [2024-12-05 21:33:43,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:43,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:43,118 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:43,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:43,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:43,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:43,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:43,120 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:43,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Waiting until timeout for monitored process [2024-12-05 21:33:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:43,340 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:43,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:43,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:43,704 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:43,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (142)] Ended with exit code 0 [2024-12-05 21:33:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:43,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:43,709 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:43,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:43,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:43,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:43,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:43,711 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:43,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Waiting until timeout for monitored process [2024-12-05 21:33:44,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:44,008 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:44,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:44,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:44,462 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:44,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (143)] Ended with exit code 0 [2024-12-05 21:33:44,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:44,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:44,468 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:44,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:44,468 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:44,468 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:44,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:44,470 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:44,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Waiting until timeout for monitored process [2024-12-05 21:33:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:44,766 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:44,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:44,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:44,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:45,160 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:45,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (144)] Ended with exit code 0 [2024-12-05 21:33:45,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:45,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:45,166 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:45,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:45,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:45,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:45,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:45,168 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:45,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Waiting until timeout for monitored process [2024-12-05 21:33:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:45,465 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:45,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:45,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:45,875 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:45,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (145)] Ended with exit code 0 [2024-12-05 21:33:45,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:45,880 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:45,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:45,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:45,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:45,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:45,883 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:45,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Waiting until timeout for monitored process [2024-12-05 21:33:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:46,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:46,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:46,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:46,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:46,562 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:46,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (146)] Ended with exit code 0 [2024-12-05 21:33:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:46,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:46,567 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:46,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:46,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:46,567 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:46,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:46,569 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:46,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Waiting until timeout for monitored process [2024-12-05 21:33:46,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:46,866 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:46,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:46,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:46,927 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:47,302 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:47,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (147)] Ended with exit code 0 [2024-12-05 21:33:47,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:47,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:47,310 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:47,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:47,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:47,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:47,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:47,312 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:47,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Waiting until timeout for monitored process [2024-12-05 21:33:47,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:47,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:47,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:47,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:47,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:47,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (148)] Ended with exit code 0 [2024-12-05 21:33:47,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:47,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:47,996 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:47,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:47,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:47,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:47,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:47,998 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:47,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Waiting until timeout for monitored process [2024-12-05 21:33:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:48,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:48,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:48,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:48,635 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:48,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (149)] Ended with exit code 0 [2024-12-05 21:33:48,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:48,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:48,640 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:48,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:48,640 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:48,640 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:48,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:48,642 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:48,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Waiting until timeout for monitored process [2024-12-05 21:33:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:48,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:48,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:48,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:48,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:49,362 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:49,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (150)] Ended with exit code 0 [2024-12-05 21:33:49,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:49,367 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:49,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:49,367 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:49,367 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:49,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:49,369 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:49,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Waiting until timeout for monitored process [2024-12-05 21:33:49,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:49,665 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:49,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:49,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:50,042 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:50,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (151)] Ended with exit code 0 [2024-12-05 21:33:50,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:50,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:50,047 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:50,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:50,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:50,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:50,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:50,049 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:50,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Waiting until timeout for monitored process [2024-12-05 21:33:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:50,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:50,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:50,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:50,727 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:50,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (152)] Ended with exit code 0 [2024-12-05 21:33:50,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:50,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:50,734 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:50,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:50,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:50,734 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:50,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:50,736 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:50,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Waiting until timeout for monitored process [2024-12-05 21:33:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:51,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:51,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:51,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:33:51,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:51,383 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:51,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (153)] Ended with exit code 0 [2024-12-05 21:33:51,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:51,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:51,389 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:51,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:51,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:51,390 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:51,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:51,391 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:51,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Waiting until timeout for monitored process [2024-12-05 21:33:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:51,627 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:51,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:33:51,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:51,962 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:51,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (154)] Ended with exit code 0 [2024-12-05 21:33:51,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:51,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:51,968 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:51,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:51,969 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:51,969 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:51,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:51,971 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:51,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Waiting until timeout for monitored process [2024-12-05 21:33:52,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:52,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:52,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:52,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:52,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:52,707 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:52,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (155)] Ended with exit code 0 [2024-12-05 21:33:52,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:52,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 21 states and 31 transitions. [2024-12-05 21:33:52,712 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 31 transitions. [2024-12-05 21:33:52,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:52,712 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:52,712 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:52,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:52,714 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:52,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Waiting until timeout for monitored process [2024-12-05 21:33:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:53,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:53,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 21:33:53,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:53,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (156)] Ended with exit code 0 [2024-12-05 21:33:54,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:54,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:33:54,207 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:33:54,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:54,208 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:54,208 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:54,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:54,209 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:54,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Waiting until timeout for monitored process [2024-12-05 21:33:54,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:54,517 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:54,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:54,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:33:54,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:54,832 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:54,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (157)] Ended with exit code 0 [2024-12-05 21:33:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:33:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:33:54,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:54,990 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:54,990 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:54,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:54,992 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:54,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Waiting until timeout for monitored process [2024-12-05 21:33:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:55,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:55,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:55,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:55,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:55,532 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:55,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (158)] Ended with exit code 0 [2024-12-05 21:33:55,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:55,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:33:55,539 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:33:55,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:55,539 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:55,539 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:55,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:55,541 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:55,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Waiting until timeout for monitored process [2024-12-05 21:33:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:55,834 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:55,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:55,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:55,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:56,022 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:56,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (159)] Forceful destruction successful, exit code 0 [2024-12-05 21:33:56,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:56,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:33:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:33:56,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:56,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:56,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:56,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:56,031 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:56,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Waiting until timeout for monitored process [2024-12-05 21:33:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:56,329 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:56,372 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:56,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:56,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:56,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (160)] Ended with exit code 0 [2024-12-05 21:33:56,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:56,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:33:56,503 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:33:56,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:56,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:56,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:56,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:56,505 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:56,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Waiting until timeout for monitored process [2024-12-05 21:33:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:56,806 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:56,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:56,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:56,986 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:56,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (161)] Ended with exit code 0 [2024-12-05 21:33:56,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:56,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:33:56,992 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:33:56,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:56,992 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:56,992 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:56,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:56,994 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:56,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Waiting until timeout for monitored process [2024-12-05 21:33:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:57,281 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:57,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:33:57,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:57,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (162)] Ended with exit code 0 [2024-12-05 21:33:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:57,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:33:57,641 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:33:57,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:57,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:57,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:57,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:57,644 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:57,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Waiting until timeout for monitored process [2024-12-05 21:33:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:57,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:58,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:58,006 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:58,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:58,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (163)] Ended with exit code 0 [2024-12-05 21:33:58,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:58,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:33:58,148 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:33:58,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:58,148 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:58,148 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:58,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:58,150 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:58,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Waiting until timeout for monitored process [2024-12-05 21:33:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:58,510 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:58,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:33:58,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:33:58,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (164)] Ended with exit code 0 [2024-12-05 21:33:58,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:58,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:33:58,897 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:33:58,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:58,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:58,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:58,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:58,899 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:58,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Waiting until timeout for monitored process [2024-12-05 21:33:59,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:59,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:59,243 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:59,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:59,373 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:59,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (165)] Ended with exit code 0 [2024-12-05 21:33:59,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:59,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:33:59,379 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:33:59,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:59,379 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:59,379 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:59,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:59,381 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:59,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Waiting until timeout for monitored process [2024-12-05 21:33:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:59,674 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:33:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:33:59,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:33:59,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:33:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:33:59,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (166)] Ended with exit code 0 [2024-12-05 21:33:59,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:33:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:33:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:33:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:33:59,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:33:59,908 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:33:59,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:33:59,910 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:33:59,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Waiting until timeout for monitored process [2024-12-05 21:34:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:00,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:00,284 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:00,284 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:00,415 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:00,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (167)] Ended with exit code 0 [2024-12-05 21:34:00,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:00,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:00,421 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:00,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:00,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:00,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:00,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:00,423 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:00,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Waiting until timeout for monitored process [2024-12-05 21:34:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:00,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:00,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:00,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:01,002 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:01,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (168)] Ended with exit code 0 [2024-12-05 21:34:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:01,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:01,008 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:01,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:01,008 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:01,008 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:01,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:01,010 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:01,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Waiting until timeout for monitored process [2024-12-05 21:34:01,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:01,309 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:01,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:01,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:01,473 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:01,476 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (169)] Ended with exit code 0 [2024-12-05 21:34:01,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:01,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:01,478 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:01,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:01,478 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:01,478 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:01,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:01,480 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:01,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Waiting until timeout for monitored process [2024-12-05 21:34:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:01,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:01,807 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:01,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:01,934 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:01,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (170)] Ended with exit code 0 [2024-12-05 21:34:01,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:01,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:01,940 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:01,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:01,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:01,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:01,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:01,942 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:01,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Waiting until timeout for monitored process [2024-12-05 21:34:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:02,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:02,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:02,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 21:34:02,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:02,471 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:02,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (171)] Ended with exit code 0 [2024-12-05 21:34:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:02,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:02,537 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:02,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:02,537 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:02,537 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:02,537 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:02,539 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:02,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Waiting until timeout for monitored process [2024-12-05 21:34:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:02,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:02,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:02,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:02,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:03,074 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:03,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (172)] Forceful destruction successful, exit code 0 [2024-12-05 21:34:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:03,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:03,081 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:03,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:03,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:03,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:03,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:03,083 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:03,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Waiting until timeout for monitored process [2024-12-05 21:34:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:03,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:03,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:03,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:03,571 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:03,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (173)] Ended with exit code 0 [2024-12-05 21:34:03,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:03,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:03,578 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:03,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:03,578 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:03,578 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:03,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:03,580 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:03,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Waiting until timeout for monitored process [2024-12-05 21:34:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:03,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:03,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:03,928 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:03,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:04,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (174)] Ended with exit code 0 [2024-12-05 21:34:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:04,067 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:04,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:04,068 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:04,068 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:04,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:04,070 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:04,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Waiting until timeout for monitored process [2024-12-05 21:34:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:04,396 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:04,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:04,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:04,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (175)] Ended with exit code 0 [2024-12-05 21:34:04,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:04,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:04,607 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:04,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:04,607 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:04,607 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:04,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:04,609 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:04,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Waiting until timeout for monitored process [2024-12-05 21:34:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:04,900 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:04,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:04,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:04,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:05,128 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:05,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (176)] Ended with exit code 0 [2024-12-05 21:34:05,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:05,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:05,135 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:05,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:05,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:05,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:05,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:05,137 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:05,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Waiting until timeout for monitored process [2024-12-05 21:34:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:05,435 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:05,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:05,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:05,661 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:05,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (177)] Ended with exit code 0 [2024-12-05 21:34:05,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:05,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:05,667 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:05,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:05,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:05,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:05,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:05,669 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:05,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Waiting until timeout for monitored process [2024-12-05 21:34:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:05,963 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:06,018 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:06,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:06,147 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:06,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (178)] Forceful destruction successful, exit code 0 [2024-12-05 21:34:06,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:06,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:06,155 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:06,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:06,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:06,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:06,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:06,157 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:06,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Waiting until timeout for monitored process [2024-12-05 21:34:06,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:06,456 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:06,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:34:06,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:06,809 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:34:06,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (179)] Forceful destruction successful, exit code 0 [2024-12-05 21:34:06,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:06,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:06,834 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:06,834 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:06,834 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:06,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:06,836 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:06,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Waiting until timeout for monitored process [2024-12-05 21:34:07,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:07,132 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:07,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:07,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:07,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:07,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (180)] Ended with exit code 0 [2024-12-05 21:34:07,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:07,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:07,336 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:07,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:07,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:07,337 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:07,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:07,338 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:07,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Waiting until timeout for monitored process [2024-12-05 21:34:07,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:07,673 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:07,775 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:07,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:07,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (181)] Ended with exit code 0 [2024-12-05 21:34:07,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:07,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2024-12-05 21:34:07,915 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2024-12-05 21:34:07,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:07,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:07,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:07,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:07,917 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:07,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Waiting until timeout for monitored process [2024-12-05 21:34:08,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:08,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:08,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:08,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:08,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:08,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (182)] Ended with exit code 0 [2024-12-05 21:34:08,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:08,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:08,713 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:08,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:08,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:08,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:08,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:08,715 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:08,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Waiting until timeout for monitored process [2024-12-05 21:34:09,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:09,006 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:09,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:09,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:09,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:09,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (183)] Ended with exit code 0 [2024-12-05 21:34:09,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:09,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:09,232 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:09,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:09,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:09,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:09,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:09,234 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:09,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Waiting until timeout for monitored process [2024-12-05 21:34:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:09,525 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:09,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:09,573 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:09,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:09,701 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:09,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (184)] Ended with exit code 0 [2024-12-05 21:34:09,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:09,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:09,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:09,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:09,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:09,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:09,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:09,712 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:09,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Waiting until timeout for monitored process [2024-12-05 21:34:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:10,006 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:10,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:10,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:10,235 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:10,238 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (185)] Ended with exit code 0 [2024-12-05 21:34:10,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:10,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:10,241 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:10,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:10,242 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:10,242 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:10,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:10,244 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:10,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Waiting until timeout for monitored process [2024-12-05 21:34:10,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:10,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:10,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:10,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:10,819 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:10,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (186)] Ended with exit code 0 [2024-12-05 21:34:10,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:10,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:10,825 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:10,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:10,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:10,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:10,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:10,827 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:10,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Waiting until timeout for monitored process [2024-12-05 21:34:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:11,127 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:11,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:11,176 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:11,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:11,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (187)] Ended with exit code 0 [2024-12-05 21:34:11,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:11,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:11,305 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:11,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:11,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:11,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:11,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:11,307 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:11,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Waiting until timeout for monitored process [2024-12-05 21:34:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:11,602 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:11,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:11,681 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:11,818 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:11,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (188)] Ended with exit code 0 [2024-12-05 21:34:11,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:11,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:11,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:11,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:11,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:11,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:11,827 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:11,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Waiting until timeout for monitored process [2024-12-05 21:34:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:12,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:12,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:12,196 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:12,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:12,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (189)] Ended with exit code 0 [2024-12-05 21:34:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:12,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:12,336 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:12,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:12,336 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:12,336 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:12,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:12,338 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:12,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Waiting until timeout for monitored process [2024-12-05 21:34:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:12,631 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:12,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:12,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:12,841 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:12,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (190)] Ended with exit code 0 [2024-12-05 21:34:12,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:12,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:12,849 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:12,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:12,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:12,849 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:12,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:12,851 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:12,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Waiting until timeout for monitored process [2024-12-05 21:34:13,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:13,147 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:13,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:13,215 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:13,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (191)] Ended with exit code 0 [2024-12-05 21:34:13,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:13,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:13,357 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:13,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:13,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:13,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:13,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:13,359 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:13,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Waiting until timeout for monitored process [2024-12-05 21:34:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:13,659 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:13,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:13,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:13,910 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:13,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (192)] Ended with exit code 0 [2024-12-05 21:34:13,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:13,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:13,917 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:13,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:13,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:13,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:13,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:13,919 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:13,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Waiting until timeout for monitored process [2024-12-05 21:34:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:14,221 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:14,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:34:14,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:14,541 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:34:14,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (193)] Ended with exit code 0 [2024-12-05 21:34:14,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:14,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:14,565 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:14,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:14,565 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:14,565 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:14,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:14,567 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:14,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Waiting until timeout for monitored process [2024-12-05 21:34:14,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:14,858 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:14,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:14,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:14,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:15,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (194)] Ended with exit code 0 [2024-12-05 21:34:15,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:15,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:15,031 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:15,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:15,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:15,031 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:15,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:15,033 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:15,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Waiting until timeout for monitored process [2024-12-05 21:34:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:15,324 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:15,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:15,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:15,535 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:15,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (195)] Forceful destruction successful, exit code 0 [2024-12-05 21:34:15,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:15,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:15,542 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:15,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:15,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:15,542 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:15,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:15,544 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:15,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Waiting until timeout for monitored process [2024-12-05 21:34:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:15,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:15,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:15,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:15,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:16,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (196)] Ended with exit code 0 [2024-12-05 21:34:16,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:16,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:16,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:16,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:16,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:16,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:16,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:16,061 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:16,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Waiting until timeout for monitored process [2024-12-05 21:34:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:16,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:16,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:34:16,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:34:16,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (197)] Forceful destruction successful, exit code 0 [2024-12-05 21:34:16,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:16,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:16,676 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:16,676 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:16,676 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:16,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:16,678 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:16,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Waiting until timeout for monitored process [2024-12-05 21:34:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:16,974 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:17,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:17,052 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:17,052 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:17,180 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:17,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (198)] Ended with exit code 0 [2024-12-05 21:34:17,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:17,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:17,186 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:17,186 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:17,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:17,188 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:17,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Waiting until timeout for monitored process [2024-12-05 21:34:17,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:17,481 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:17,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:17,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:17,680 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:17,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (199)] Ended with exit code 0 [2024-12-05 21:34:17,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:17,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:17,686 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:17,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:17,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:17,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:17,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:17,688 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:17,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Waiting until timeout for monitored process [2024-12-05 21:34:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:17,985 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:18,040 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:18,041 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:18,181 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:18,184 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (200)] Ended with exit code 0 [2024-12-05 21:34:18,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:18,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:18,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:18,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:18,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:18,187 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:18,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:18,189 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:18,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Waiting until timeout for monitored process [2024-12-05 21:34:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:18,481 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:18,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:18,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:18,690 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:18,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (201)] Ended with exit code 0 [2024-12-05 21:34:18,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:18,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:18,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:18,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:18,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:18,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:18,698 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:18,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Waiting until timeout for monitored process [2024-12-05 21:34:18,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:18,994 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:19,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:19,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:19,215 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:19,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (202)] Ended with exit code 0 [2024-12-05 21:34:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:19,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:19,220 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:19,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:19,221 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:19,221 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:19,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:19,223 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:19,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Waiting until timeout for monitored process [2024-12-05 21:34:19,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:19,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:19,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:34:19,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:19,889 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:34:19,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (203)] Ended with exit code 0 [2024-12-05 21:34:19,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:19,908 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:19,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:19,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:19,909 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:19,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:19,910 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:19,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Waiting until timeout for monitored process [2024-12-05 21:34:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:20,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:20,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:20,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:20,254 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:20,388 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:20,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (204)] Ended with exit code 0 [2024-12-05 21:34:20,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:20,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:20,394 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:20,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:20,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:20,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:20,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:20,396 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:20,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Waiting until timeout for monitored process [2024-12-05 21:34:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:20,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:20,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:20,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:20,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:20,875 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:20,878 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (205)] Ended with exit code 0 [2024-12-05 21:34:20,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:20,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:20,881 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:20,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:20,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:20,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:20,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:20,883 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:20,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Waiting until timeout for monitored process [2024-12-05 21:34:21,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:21,177 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:21,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:21,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:21,365 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:21,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (206)] Ended with exit code 0 [2024-12-05 21:34:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:21,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:21,371 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:21,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:21,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:21,371 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:21,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:21,373 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:21,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Waiting until timeout for monitored process [2024-12-05 21:34:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:21,668 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:21,730 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:21,731 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:21,868 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:21,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (207)] Ended with exit code 0 [2024-12-05 21:34:21,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:21,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:21,875 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:21,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:21,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:21,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:21,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:21,877 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:21,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Waiting until timeout for monitored process [2024-12-05 21:34:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:22,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:22,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:22,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:22,353 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:22,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (208)] Ended with exit code 0 [2024-12-05 21:34:22,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:22,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:22,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:22,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:22,359 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:22,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:22,361 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:22,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Waiting until timeout for monitored process [2024-12-05 21:34:22,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:22,659 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:22,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:22,753 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:22,890 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:22,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (209)] Ended with exit code 0 [2024-12-05 21:34:22,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:22,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:22,897 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:22,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:22,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:22,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:22,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:22,899 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:22,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Waiting until timeout for monitored process [2024-12-05 21:34:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:23,198 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:23,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:23,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:23,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:23,461 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:23,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (210)] Ended with exit code 0 [2024-12-05 21:34:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:23,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:23,466 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:23,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:23,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:23,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:23,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:23,469 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:23,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Waiting until timeout for monitored process [2024-12-05 21:34:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:23,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:23,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:23,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:23,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:23,992 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:23,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (211)] Ended with exit code 0 [2024-12-05 21:34:23,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:23,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:23,998 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:23,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:23,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:23,998 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:23,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:24,000 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:24,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Waiting until timeout for monitored process [2024-12-05 21:34:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:24,285 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:24,354 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:24,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:24,478 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:24,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (212)] Forceful destruction successful, exit code 0 [2024-12-05 21:34:24,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:24,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:24,484 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:24,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:24,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:24,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:24,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:24,486 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:24,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Waiting until timeout for monitored process [2024-12-05 21:34:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:24,772 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:24,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:24,838 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:24,984 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:24,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (213)] Ended with exit code 0 [2024-12-05 21:34:24,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:24,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:24,990 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:24,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:24,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:24,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:24,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:24,993 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:24,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Waiting until timeout for monitored process [2024-12-05 21:34:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:25,281 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:25,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:25,367 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:25,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:25,498 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (214)] Ended with exit code 0 [2024-12-05 21:34:25,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:25,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:25,501 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:25,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:25,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:25,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:25,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:25,503 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:25,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Waiting until timeout for monitored process [2024-12-05 21:34:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:25,796 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:25,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:34:25,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:26,143 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:34:26,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (215)] Ended with exit code 0 [2024-12-05 21:34:26,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:26,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:26,165 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:26,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:26,165 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:26,165 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:26,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:26,167 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:26,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Waiting until timeout for monitored process [2024-12-05 21:34:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:26,457 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:26,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:26,519 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:26,519 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:26,645 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:26,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (216)] Ended with exit code 0 [2024-12-05 21:34:26,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:26,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:26,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:26,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:26,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:26,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:26,654 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:26,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Waiting until timeout for monitored process [2024-12-05 21:34:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:26,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:26,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:26,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:27,139 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:27,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (217)] Ended with exit code 0 [2024-12-05 21:34:27,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:27,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:27,146 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:27,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:27,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:27,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:27,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:27,148 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:27,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Waiting until timeout for monitored process [2024-12-05 21:34:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:27,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:27,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:27,510 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:27,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (218)] Ended with exit code 0 [2024-12-05 21:34:27,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:27,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:27,645 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:27,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:27,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:27,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:27,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:27,647 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:27,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Waiting until timeout for monitored process [2024-12-05 21:34:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:27,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:28,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:28,038 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:34:28,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:28,305 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:34:28,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (219)] Ended with exit code 0 [2024-12-05 21:34:28,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:28,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:28,328 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:28,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:28,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:28,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:28,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:28,330 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:28,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Waiting until timeout for monitored process [2024-12-05 21:34:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:28,626 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:28,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:28,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:28,789 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:28,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (220)] Forceful destruction successful, exit code 0 [2024-12-05 21:34:28,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:28,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:28,795 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:28,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:28,796 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:28,796 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:28,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:28,798 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:28,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Waiting until timeout for monitored process [2024-12-05 21:34:29,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:29,090 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:29,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:29,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:29,261 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:29,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (221)] Ended with exit code 0 [2024-12-05 21:34:29,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:29,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:29,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:29,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:29,269 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:29,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Waiting until timeout for monitored process [2024-12-05 21:34:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:29,566 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:29,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:29,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:29,766 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:29,769 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (222)] Ended with exit code 0 [2024-12-05 21:34:29,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:29,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:29,772 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:29,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:29,773 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:29,773 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:29,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:29,775 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:29,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Waiting until timeout for monitored process [2024-12-05 21:34:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:30,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:30,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:30,137 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:30,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:30,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (223)] Ended with exit code 0 [2024-12-05 21:34:30,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:30,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:30,281 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:30,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:30,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:30,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:30,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:30,283 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:30,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Waiting until timeout for monitored process [2024-12-05 21:34:30,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:30,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:30,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:30,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:30,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:30,777 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:30,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (224)] Ended with exit code 0 [2024-12-05 21:34:30,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:30,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:30,786 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:30,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:30,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:30,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:30,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:30,788 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:30,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Waiting until timeout for monitored process [2024-12-05 21:34:31,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:31,083 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:31,118 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:31,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:31,246 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:31,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (225)] Ended with exit code 0 [2024-12-05 21:34:31,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:31,253 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:31,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:31,253 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:31,253 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:31,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:31,255 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:31,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Waiting until timeout for monitored process [2024-12-05 21:34:31,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:31,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:31,608 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:31,609 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:31,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:31,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (226)] Ended with exit code 0 [2024-12-05 21:34:31,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:31,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:31,749 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:31,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:31,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:31,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:31,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:31,751 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:31,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Waiting until timeout for monitored process [2024-12-05 21:34:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:32,045 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:32,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:32,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:32,224 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:32,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (227)] Ended with exit code 0 [2024-12-05 21:34:32,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:32,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:32,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:32,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:32,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:32,233 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:32,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Waiting until timeout for monitored process [2024-12-05 21:34:32,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:32,522 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:32,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:32,574 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:32,575 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:32,710 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:32,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (228)] Ended with exit code 0 [2024-12-05 21:34:32,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:32,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:32,717 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:32,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:32,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:32,717 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:32,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:32,719 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:32,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Waiting until timeout for monitored process [2024-12-05 21:34:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:33,015 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:33,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:33,068 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:33,205 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:33,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (229)] Ended with exit code 0 [2024-12-05 21:34:33,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:33,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:33,212 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:33,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:33,212 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:33,212 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:33,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:33,214 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:33,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Waiting until timeout for monitored process [2024-12-05 21:34:33,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:33,515 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:33,555 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:33,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:33,688 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:33,691 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (230)] Ended with exit code 0 [2024-12-05 21:34:33,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:33,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:33,694 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:33,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:33,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:33,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:33,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:33,696 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:33,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Waiting until timeout for monitored process [2024-12-05 21:34:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:33,990 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:34,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:34,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:34,208 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:34,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (231)] Ended with exit code 0 [2024-12-05 21:34:34,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:34,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:34,215 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:34,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:34,215 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:34,216 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:34,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:34,218 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:34,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Waiting until timeout for monitored process [2024-12-05 21:34:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:34,502 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:34,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:34,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:34,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:34,646 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:34,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (232)] Forceful destruction successful, exit code 0 [2024-12-05 21:34:34,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:34,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:34,651 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:34,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:34,651 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:34,651 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:34,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:34,653 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:34,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Waiting until timeout for monitored process [2024-12-05 21:34:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:34,865 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:34,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:34,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:35,004 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:35,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (233)] Ended with exit code 0 [2024-12-05 21:34:35,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:35,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:35,009 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:35,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:35,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:35,009 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:35,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:35,011 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:35,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Waiting until timeout for monitored process [2024-12-05 21:34:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:35,209 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:35,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:35,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:35,329 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:35,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (234)] Ended with exit code 0 [2024-12-05 21:34:35,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:35,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:35,334 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:35,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:35,334 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:35,334 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:35,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:35,335 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:35,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Waiting until timeout for monitored process [2024-12-05 21:34:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:35,552 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:35,581 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:35,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:35,679 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:35,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (235)] Ended with exit code 0 [2024-12-05 21:34:35,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:35,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:35,684 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:35,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:35,684 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:35,684 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:35,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:35,685 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:35,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Waiting until timeout for monitored process [2024-12-05 21:34:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:35,881 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:35,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:35,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:35,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:36,073 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:36,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (236)] Ended with exit code 0 [2024-12-05 21:34:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:36,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:36,079 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:36,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:36,079 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:36,079 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:36,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:36,081 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:36,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Waiting until timeout for monitored process [2024-12-05 21:34:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:36,317 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:36,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:36,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:36,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:36,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (237)] Ended with exit code 0 [2024-12-05 21:34:36,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:36,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:36,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:36,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:36,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:36,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:36,499 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:36,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Waiting until timeout for monitored process [2024-12-05 21:34:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:36,707 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:36,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:36,764 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:36,862 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:36,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (238)] Ended with exit code 0 [2024-12-05 21:34:36,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:36,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:36,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:36,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:36,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:36,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:36,869 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:36,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Waiting until timeout for monitored process [2024-12-05 21:34:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:37,085 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:37,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:37,133 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:37,261 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:37,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (239)] Forceful destruction successful, exit code 0 [2024-12-05 21:34:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:37,267 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:37,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:37,267 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:37,267 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:37,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:37,269 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:37,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Waiting until timeout for monitored process [2024-12-05 21:34:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:37,559 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:37,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:37,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:37,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:37,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (240)] Ended with exit code 0 [2024-12-05 21:34:37,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:37,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:37,755 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:37,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:37,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:37,755 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:37,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:37,757 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:37,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Waiting until timeout for monitored process [2024-12-05 21:34:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:38,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:38,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:38,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:38,233 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:38,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (241)] Ended with exit code 0 [2024-12-05 21:34:38,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:38,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:38,239 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:38,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:38,239 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:38,239 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:38,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:38,241 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:38,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Waiting until timeout for monitored process [2024-12-05 21:34:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:38,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:38,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:38,585 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:38,712 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:38,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (242)] Ended with exit code 0 [2024-12-05 21:34:38,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:38,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:38,719 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:38,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:38,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:38,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:38,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:38,721 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:38,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Waiting until timeout for monitored process [2024-12-05 21:34:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:39,015 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:39,079 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:34:39,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:39,387 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:34:39,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (243)] Ended with exit code 0 [2024-12-05 21:34:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:39,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:39,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:39,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:39,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:39,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:39,412 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:39,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Waiting until timeout for monitored process [2024-12-05 21:34:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:39,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:39,667 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:39,667 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:39,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (244)] Forceful destruction successful, exit code 0 [2024-12-05 21:34:39,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:39,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:39,784 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:39,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:39,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:39,784 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:39,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:39,785 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:39,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Waiting until timeout for monitored process [2024-12-05 21:34:39,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:39,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:40,026 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:40,026 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:40,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (245)] Ended with exit code 0 [2024-12-05 21:34:40,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:40,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:40,133 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:40,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:40,133 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:40,133 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:40,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:40,134 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:40,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Waiting until timeout for monitored process [2024-12-05 21:34:40,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:40,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:40,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:40,371 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:40,372 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:40,467 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:40,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (246)] Ended with exit code 0 [2024-12-05 21:34:40,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:40,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:40,473 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:40,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:40,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:40,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:40,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:40,474 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:40,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Waiting until timeout for monitored process [2024-12-05 21:34:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:40,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:40,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:40,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:34:40,711 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:40,891 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:34:40,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (247)] Ended with exit code 0 [2024-12-05 21:34:40,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:40,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:40,905 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:40,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:40,905 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:40,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:40,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:40,907 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:40,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Waiting until timeout for monitored process [2024-12-05 21:34:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:41,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:41,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:41,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:41,257 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:41,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (248)] Ended with exit code 0 [2024-12-05 21:34:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:41,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:41,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:41,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:41,263 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:41,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:41,264 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:41,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Waiting until timeout for monitored process [2024-12-05 21:34:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:41,481 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:41,532 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:41,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:41,627 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:41,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (249)] Ended with exit code 0 [2024-12-05 21:34:41,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:41,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:41,631 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:41,631 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:41,631 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:41,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:41,633 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:41,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Waiting until timeout for monitored process [2024-12-05 21:34:41,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:41,838 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:41,899 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:41,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:42,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (250)] Ended with exit code 0 [2024-12-05 21:34:42,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:42,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:42,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:42,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:42,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:42,012 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:42,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:42,013 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:42,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Waiting until timeout for monitored process [2024-12-05 21:34:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:42,276 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:42,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:42,357 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:42,357 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:42,511 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:42,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (251)] Ended with exit code 0 [2024-12-05 21:34:42,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:42,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:42,518 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:42,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:42,518 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:42,518 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:42,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:42,520 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:42,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Waiting until timeout for monitored process [2024-12-05 21:34:42,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:42,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:42,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:42,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:43,000 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:43,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (252)] Ended with exit code 0 [2024-12-05 21:34:43,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:43,006 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:43,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:43,006 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:43,006 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:43,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:43,008 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:43,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Waiting until timeout for monitored process [2024-12-05 21:34:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:43,300 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:43,362 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:43,362 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:43,496 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:43,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (253)] Ended with exit code 0 [2024-12-05 21:34:43,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:43,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:43,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:43,502 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:43,502 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:43,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:43,504 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:43,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Waiting until timeout for monitored process [2024-12-05 21:34:43,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:43,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:43,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:43,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:43,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (254)] Ended with exit code 0 [2024-12-05 21:34:43,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:43,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:43,989 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:43,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:43,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:43,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:43,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:43,991 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:43,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Waiting until timeout for monitored process [2024-12-05 21:34:44,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:44,286 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:44,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:44,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:44,471 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:44,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (255)] Ended with exit code 0 [2024-12-05 21:34:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:44,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:44,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:44,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:44,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:44,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:44,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:44,479 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:44,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Waiting until timeout for monitored process [2024-12-05 21:34:44,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:44,771 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:44,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:44,830 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:44,961 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:44,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (256)] Ended with exit code 0 [2024-12-05 21:34:44,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:44,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:44,967 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:44,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:44,968 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:44,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:44,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:44,970 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:44,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Waiting until timeout for monitored process [2024-12-05 21:34:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:45,267 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:45,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:45,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:45,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:45,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (257)] Ended with exit code 0 [2024-12-05 21:34:45,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:45,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:45,458 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:45,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:45,458 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:45,458 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:45,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:45,460 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:45,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Waiting until timeout for monitored process [2024-12-05 21:34:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:45,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:45,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:45,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:45,791 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:45,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (258)] Forceful destruction successful, exit code 0 [2024-12-05 21:34:45,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:45,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:45,795 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:45,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:45,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:45,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:45,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:45,797 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:45,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Waiting until timeout for monitored process [2024-12-05 21:34:45,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:45,997 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:46,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:46,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:46,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:46,145 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:46,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (259)] Ended with exit code 0 [2024-12-05 21:34:46,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:46,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:46,150 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:46,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:46,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:46,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:46,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:46,151 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:46,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Waiting until timeout for monitored process [2024-12-05 21:34:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:46,349 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:46,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:46,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:46,488 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:46,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (260)] Ended with exit code 0 [2024-12-05 21:34:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:46,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:46,493 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:46,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:46,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:46,493 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:46,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:46,495 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:46,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Waiting until timeout for monitored process [2024-12-05 21:34:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:46,700 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:46,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:46,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:46,860 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:46,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (261)] Ended with exit code 0 [2024-12-05 21:34:46,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:46,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:46,864 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:46,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:46,865 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:46,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:46,866 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:46,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Waiting until timeout for monitored process [2024-12-05 21:34:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:47,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:47,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:47,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:47,130 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:47,232 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:47,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (262)] Ended with exit code 0 [2024-12-05 21:34:47,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:47,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:47,237 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:47,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:47,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:47,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:47,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:47,238 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:47,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Waiting until timeout for monitored process [2024-12-05 21:34:47,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:47,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:47,503 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:47,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:47,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (263)] Ended with exit code 0 [2024-12-05 21:34:47,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:47,613 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:47,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:47,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:47,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:47,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:47,615 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:47,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Waiting until timeout for monitored process [2024-12-05 21:34:47,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:47,819 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:47,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:47,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:47,974 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:47,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (264)] Ended with exit code 0 [2024-12-05 21:34:47,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:47,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:47,979 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:47,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:47,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:47,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:47,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:47,980 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:47,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Waiting until timeout for monitored process [2024-12-05 21:34:48,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:48,210 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:48,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:48,256 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:48,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:48,394 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:48,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (265)] Ended with exit code 0 [2024-12-05 21:34:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:48,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:48,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:48,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:48,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:48,402 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:48,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Waiting until timeout for monitored process [2024-12-05 21:34:48,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:48,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:48,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:48,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:48,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:48,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:48,922 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (266)] Ended with exit code 0 [2024-12-05 21:34:48,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:48,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:48,925 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:48,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:48,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:48,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:48,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:48,927 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:48,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Waiting until timeout for monitored process [2024-12-05 21:34:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:49,226 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:49,277 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:49,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:49,408 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:49,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (267)] Ended with exit code 0 [2024-12-05 21:34:49,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:49,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:49,413 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:49,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:49,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:49,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:49,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:49,415 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:49,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Waiting until timeout for monitored process [2024-12-05 21:34:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:49,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:49,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:49,791 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:49,922 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:49,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (268)] Ended with exit code 0 [2024-12-05 21:34:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:49,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:49,928 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:49,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:49,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:49,928 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:49,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:49,930 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:49,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Waiting until timeout for monitored process [2024-12-05 21:34:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:50,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:50,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:50,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:50,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:50,394 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:50,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (269)] Ended with exit code 0 [2024-12-05 21:34:50,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:50,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:50,399 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:50,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:50,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:50,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:50,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:50,401 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:50,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Waiting until timeout for monitored process [2024-12-05 21:34:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:50,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:50,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:50,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:50,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (270)] Ended with exit code 0 [2024-12-05 21:34:50,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:50,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:50,877 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:50,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:50,878 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:50,878 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:50,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:50,880 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:50,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Waiting until timeout for monitored process [2024-12-05 21:34:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:51,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:51,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:51,235 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:51,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:51,369 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:51,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (271)] Ended with exit code 0 [2024-12-05 21:34:51,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:51,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:51,374 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:51,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:51,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:51,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:51,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:51,376 INFO L229 MonitoredProcess]: Starting monitored process 272 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:51,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Waiting until timeout for monitored process [2024-12-05 21:34:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:51,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:51,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:51,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:51,921 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:51,924 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (272)] Ended with exit code 0 [2024-12-05 21:34:51,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:51,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:51,927 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:51,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:51,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:51,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:51,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:51,929 INFO L229 MonitoredProcess]: Starting monitored process 273 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:51,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Waiting until timeout for monitored process [2024-12-05 21:34:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:52,227 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:52,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:52,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:52,456 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (273)] Ended with exit code 0 [2024-12-05 21:34:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:52,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:52,458 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:52,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:52,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:52,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:52,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:52,461 INFO L229 MonitoredProcess]: Starting monitored process 274 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:52,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Waiting until timeout for monitored process [2024-12-05 21:34:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:52,753 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:52,798 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:52,799 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:52,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (274)] Ended with exit code 0 [2024-12-05 21:34:52,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:52,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:52,933 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:52,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:52,934 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:52,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:52,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:52,936 INFO L229 MonitoredProcess]: Starting monitored process 275 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:52,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Waiting until timeout for monitored process [2024-12-05 21:34:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:53,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:53,279 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:53,279 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:53,414 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:53,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (275)] Ended with exit code 0 [2024-12-05 21:34:53,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:53,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:53,420 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:53,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:53,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:53,421 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:53,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:53,423 INFO L229 MonitoredProcess]: Starting monitored process 276 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:53,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Waiting until timeout for monitored process [2024-12-05 21:34:53,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:53,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:53,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:53,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:53,971 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (276)] Ended with exit code 0 [2024-12-05 21:34:53,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:53,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:53,974 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:53,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:53,974 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:53,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:53,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:53,976 INFO L229 MonitoredProcess]: Starting monitored process 277 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:53,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Waiting until timeout for monitored process [2024-12-05 21:34:54,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:54,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:54,380 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:54,381 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:54,515 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:54,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (277)] Ended with exit code 0 [2024-12-05 21:34:54,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:54,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:54,520 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:54,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:54,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:54,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:54,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:54,521 INFO L229 MonitoredProcess]: Starting monitored process 278 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:54,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Waiting until timeout for monitored process [2024-12-05 21:34:54,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:54,735 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:54,765 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:54,766 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:54,867 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:54,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (278)] Ended with exit code 0 [2024-12-05 21:34:54,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:54,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:54,872 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:54,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:54,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:54,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:54,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:54,873 INFO L229 MonitoredProcess]: Starting monitored process 279 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:54,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Waiting until timeout for monitored process [2024-12-05 21:34:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:55,072 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:55,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:55,120 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:55,230 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:55,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (279)] Ended with exit code 0 [2024-12-05 21:34:55,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:55,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:55,236 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:55,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:55,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:55,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:55,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:55,238 INFO L229 MonitoredProcess]: Starting monitored process 280 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:55,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Waiting until timeout for monitored process [2024-12-05 21:34:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:55,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:55,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:55,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:55,498 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:55,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (280)] Ended with exit code 0 [2024-12-05 21:34:55,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:55,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:55,597 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:55,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:55,597 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:55,597 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:55,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:55,599 INFO L229 MonitoredProcess]: Starting monitored process 281 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:55,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Waiting until timeout for monitored process [2024-12-05 21:34:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:55,797 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:55,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:55,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:55,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:55,972 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:55,975 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (281)] Ended with exit code 0 [2024-12-05 21:34:55,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:55,977 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:55,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:55,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:55,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:55,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:55,978 INFO L229 MonitoredProcess]: Starting monitored process 282 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:55,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Waiting until timeout for monitored process [2024-12-05 21:34:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:56,189 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:56,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:56,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:56,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:56,351 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:56,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (282)] Ended with exit code 0 [2024-12-05 21:34:56,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:56,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:56,356 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:56,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:56,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:56,356 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:56,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:56,357 INFO L229 MonitoredProcess]: Starting monitored process 283 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:56,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Waiting until timeout for monitored process [2024-12-05 21:34:56,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:56,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:56,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:56,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:56,735 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:56,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (283)] Ended with exit code 0 [2024-12-05 21:34:56,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:56,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:56,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:56,739 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:56,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:56,741 INFO L229 MonitoredProcess]: Starting monitored process 284 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:56,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Waiting until timeout for monitored process [2024-12-05 21:34:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:56,949 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:57,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:57,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:57,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:57,109 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (284)] Ended with exit code 0 [2024-12-05 21:34:57,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:57,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:57,111 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:57,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:57,111 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:57,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:57,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:57,113 INFO L229 MonitoredProcess]: Starting monitored process 285 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:57,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Waiting until timeout for monitored process [2024-12-05 21:34:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:57,376 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:57,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:57,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:57,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:57,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (285)] Ended with exit code 0 [2024-12-05 21:34:57,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:57,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:57,516 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:57,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:57,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:57,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:57,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:57,518 INFO L229 MonitoredProcess]: Starting monitored process 286 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:57,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Waiting until timeout for monitored process [2024-12-05 21:34:57,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:57,718 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:57,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:57,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:57,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:57,857 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:57,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (286)] Ended with exit code 0 [2024-12-05 21:34:57,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:57,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:57,861 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:57,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:57,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:57,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:57,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:57,863 INFO L229 MonitoredProcess]: Starting monitored process 287 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:57,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Waiting until timeout for monitored process [2024-12-05 21:34:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:58,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:58,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:58,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:58,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:58,192 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:58,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (287)] Ended with exit code 0 [2024-12-05 21:34:58,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:58,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:58,196 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:58,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:58,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:58,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:58,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:58,197 INFO L229 MonitoredProcess]: Starting monitored process 288 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:58,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Waiting until timeout for monitored process [2024-12-05 21:34:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:58,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:58,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:58,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:58,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:58,529 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:58,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (288)] Ended with exit code 0 [2024-12-05 21:34:58,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:58,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:58,534 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:58,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:58,534 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:58,534 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:58,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:58,535 INFO L229 MonitoredProcess]: Starting monitored process 289 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:58,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Waiting until timeout for monitored process [2024-12-05 21:34:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:58,727 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:58,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:58,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:58,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (289)] Ended with exit code 0 [2024-12-05 21:34:58,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:58,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:58,881 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:58,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:58,881 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:58,881 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:58,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:58,882 INFO L229 MonitoredProcess]: Starting monitored process 290 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:58,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Waiting until timeout for monitored process [2024-12-05 21:34:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:59,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:59,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:59,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:59,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:59,243 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:59,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (290)] Forceful destruction successful, exit code 0 [2024-12-05 21:34:59,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:59,248 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:59,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:59,248 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:59,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:59,250 INFO L229 MonitoredProcess]: Starting monitored process 291 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:59,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Waiting until timeout for monitored process [2024-12-05 21:34:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:59,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:59,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:59,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:59,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:59,632 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:59,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (291)] Ended with exit code 0 [2024-12-05 21:34:59,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:59,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:59,636 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:59,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:59,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:59,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:59,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:59,638 INFO L229 MonitoredProcess]: Starting monitored process 292 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:59,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Waiting until timeout for monitored process [2024-12-05 21:34:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:59,840 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:34:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:34:59,877 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:34:59,877 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:34:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:34:59,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (292)] Ended with exit code 0 [2024-12-05 21:34:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:34:59,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:34:59,979 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:34:59,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:34:59,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:34:59,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:34:59,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:34:59,981 INFO L229 MonitoredProcess]: Starting monitored process 293 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:34:59,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Waiting until timeout for monitored process [2024-12-05 21:35:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:00,206 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:00,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:00,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:00,410 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:00,413 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (293)] Ended with exit code 0 [2024-12-05 21:35:00,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:00,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:00,416 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:00,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:00,416 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:00,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:00,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:00,418 INFO L229 MonitoredProcess]: Starting monitored process 294 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:00,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Waiting until timeout for monitored process [2024-12-05 21:35:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:00,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:00,785 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:00,786 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:00,924 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:00,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (294)] Ended with exit code 0 [2024-12-05 21:35:00,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:00,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:00,930 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:00,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:00,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:00,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:00,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:00,932 INFO L229 MonitoredProcess]: Starting monitored process 295 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:00,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Waiting until timeout for monitored process [2024-12-05 21:35:01,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:01,233 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:01,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:01,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:01,450 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:01,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (295)] Ended with exit code 0 [2024-12-05 21:35:01,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:01,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:01,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:01,456 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:01,456 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:01,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:01,458 INFO L229 MonitoredProcess]: Starting monitored process 296 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:01,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Waiting until timeout for monitored process [2024-12-05 21:35:01,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:01,748 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:01,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:01,803 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:01,938 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:01,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (296)] Ended with exit code 0 [2024-12-05 21:35:01,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:01,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:01,944 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:01,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:01,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:01,944 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:01,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:01,946 INFO L229 MonitoredProcess]: Starting monitored process 297 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:01,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Waiting until timeout for monitored process [2024-12-05 21:35:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:02,245 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:02,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:02,303 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:02,434 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:02,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (297)] Ended with exit code 0 [2024-12-05 21:35:02,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:02,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:02,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:02,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:02,441 INFO L229 MonitoredProcess]: Starting monitored process 298 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:02,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Waiting until timeout for monitored process [2024-12-05 21:35:02,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:02,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:02,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:02,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:02,880 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:02,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (298)] Ended with exit code 0 [2024-12-05 21:35:02,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:02,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:02,884 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:02,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:02,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:02,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:02,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:02,886 INFO L229 MonitoredProcess]: Starting monitored process 299 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:02,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Waiting until timeout for monitored process [2024-12-05 21:35:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:03,081 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:03,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:03,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:03,114 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:03,296 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:03,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (299)] Ended with exit code 0 [2024-12-05 21:35:03,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:03,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:03,314 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:03,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:03,314 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:03,314 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:03,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:03,316 INFO L229 MonitoredProcess]: Starting monitored process 300 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:03,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Waiting until timeout for monitored process [2024-12-05 21:35:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:03,514 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:03,568 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:03,568 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:03,666 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:03,668 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (300)] Ended with exit code 0 [2024-12-05 21:35:03,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:03,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:03,670 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:03,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:03,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:03,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:03,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:03,671 INFO L229 MonitoredProcess]: Starting monitored process 301 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:03,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Waiting until timeout for monitored process [2024-12-05 21:35:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:03,864 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:03,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:03,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:03,916 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:04,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (301)] Ended with exit code 0 [2024-12-05 21:35:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:04,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:04,015 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:04,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:04,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:04,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:04,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:04,017 INFO L229 MonitoredProcess]: Starting monitored process 302 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:04,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Waiting until timeout for monitored process [2024-12-05 21:35:04,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:04,210 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:04,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:04,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:04,433 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:04,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (302)] Ended with exit code 0 [2024-12-05 21:35:04,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:04,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:04,450 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:04,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:04,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:04,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:04,452 INFO L229 MonitoredProcess]: Starting monitored process 303 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:04,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Waiting until timeout for monitored process [2024-12-05 21:35:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:04,671 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:04,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:04,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:04,931 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:04,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (303)] Forceful destruction successful, exit code 0 [2024-12-05 21:35:04,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:04,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:04,945 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:04,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:04,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:04,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:04,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:04,947 INFO L229 MonitoredProcess]: Starting monitored process 304 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:04,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Waiting until timeout for monitored process [2024-12-05 21:35:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:05,153 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:05,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:05,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:05,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (304)] Ended with exit code 0 [2024-12-05 21:35:05,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:05,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:05,308 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:05,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:05,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:05,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:05,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:05,310 INFO L229 MonitoredProcess]: Starting monitored process 305 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:05,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Waiting until timeout for monitored process [2024-12-05 21:35:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:05,519 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:05,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:05,560 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:05,663 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:05,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (305)] Ended with exit code 0 [2024-12-05 21:35:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:05,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:05,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:05,668 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:05,669 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:05,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:05,670 INFO L229 MonitoredProcess]: Starting monitored process 306 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:05,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Waiting until timeout for monitored process [2024-12-05 21:35:05,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:05,950 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:06,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:06,028 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:06,028 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:06,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (306)] Ended with exit code 0 [2024-12-05 21:35:06,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:06,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:06,159 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:06,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:06,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:06,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:06,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:06,161 INFO L229 MonitoredProcess]: Starting monitored process 307 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:06,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Waiting until timeout for monitored process [2024-12-05 21:35:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:06,446 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:06,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:06,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:06,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:06,756 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:06,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (307)] Ended with exit code 0 [2024-12-05 21:35:06,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:06,777 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:06,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:06,777 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:06,777 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:06,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:06,779 INFO L229 MonitoredProcess]: Starting monitored process 308 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:06,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Waiting until timeout for monitored process [2024-12-05 21:35:07,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:07,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:07,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:07,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:07,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:07,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (308)] Forceful destruction successful, exit code 0 [2024-12-05 21:35:07,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:07,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:07,413 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:07,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:07,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:07,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:07,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:07,415 INFO L229 MonitoredProcess]: Starting monitored process 309 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:07,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Waiting until timeout for monitored process [2024-12-05 21:35:07,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:07,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:07,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:07,745 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:07,876 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:07,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (309)] Ended with exit code 0 [2024-12-05 21:35:07,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:07,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:07,882 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:07,882 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:07,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:07,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:07,884 INFO L229 MonitoredProcess]: Starting monitored process 310 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:07,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Waiting until timeout for monitored process [2024-12-05 21:35:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:08,172 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:08,240 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:08,241 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:08,369 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:08,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (310)] Ended with exit code 0 [2024-12-05 21:35:08,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:08,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:08,375 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:08,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:08,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:08,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:08,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:08,377 INFO L229 MonitoredProcess]: Starting monitored process 311 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:08,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Waiting until timeout for monitored process [2024-12-05 21:35:08,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:08,670 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:08,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:08,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:08,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:08,906 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:08,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (311)] Ended with exit code 0 [2024-12-05 21:35:08,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:08,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:08,913 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:08,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:08,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:08,913 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:08,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:08,915 INFO L229 MonitoredProcess]: Starting monitored process 312 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:08,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Waiting until timeout for monitored process [2024-12-05 21:35:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:09,202 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:09,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:09,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:09,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:09,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (312)] Forceful destruction successful, exit code 0 [2024-12-05 21:35:09,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:09,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:09,344 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:09,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:09,344 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:09,344 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:09,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:09,345 INFO L229 MonitoredProcess]: Starting monitored process 313 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:09,346 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Waiting until timeout for monitored process [2024-12-05 21:35:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:09,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:09,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:09,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:09,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:09,660 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:09,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (313)] Ended with exit code 0 [2024-12-05 21:35:09,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:09,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:09,664 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:09,665 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:09,665 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:09,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:09,666 INFO L229 MonitoredProcess]: Starting monitored process 314 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:09,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Waiting until timeout for monitored process [2024-12-05 21:35:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:09,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:09,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:09,897 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:09,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:09,989 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:09,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (314)] Ended with exit code 0 [2024-12-05 21:35:09,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:09,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:09,994 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:09,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:09,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:09,994 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:09,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:09,995 INFO L229 MonitoredProcess]: Starting monitored process 315 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:09,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Waiting until timeout for monitored process [2024-12-05 21:35:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:10,186 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:10,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:10,223 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:10,316 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:10,318 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (315)] Ended with exit code 0 [2024-12-05 21:35:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:10,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:10,320 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:10,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:10,320 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:10,320 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:10,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:10,322 INFO L229 MonitoredProcess]: Starting monitored process 316 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:10,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Waiting until timeout for monitored process [2024-12-05 21:35:10,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:10,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:10,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:10,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:10,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:10,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (316)] Ended with exit code 0 [2024-12-05 21:35:10,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:10,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:10,764 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:10,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:10,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:10,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:10,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:10,765 INFO L229 MonitoredProcess]: Starting monitored process 317 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:10,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Waiting until timeout for monitored process [2024-12-05 21:35:10,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:10,978 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:11,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:11,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:11,114 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:11,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (317)] Ended with exit code 0 [2024-12-05 21:35:11,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:11,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:11,119 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:11,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:11,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:11,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:11,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:11,120 INFO L229 MonitoredProcess]: Starting monitored process 318 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:11,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Waiting until timeout for monitored process [2024-12-05 21:35:11,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:11,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:11,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:11,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:11,477 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:11,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (318)] Ended with exit code 0 [2024-12-05 21:35:11,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:11,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:11,481 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:11,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:11,481 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:11,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:11,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:11,483 INFO L229 MonitoredProcess]: Starting monitored process 319 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:11,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Waiting until timeout for monitored process [2024-12-05 21:35:11,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:11,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:11,723 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:11,724 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:11,818 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:11,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (319)] Ended with exit code 0 [2024-12-05 21:35:11,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:11,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:11,823 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:11,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:11,823 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:11,823 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:11,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:11,825 INFO L229 MonitoredProcess]: Starting monitored process 320 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:11,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Waiting until timeout for monitored process [2024-12-05 21:35:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:12,058 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:12,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:12,128 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:12,406 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:12,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (320)] Ended with exit code 0 [2024-12-05 21:35:12,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:12,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:12,427 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:12,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:12,427 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:12,427 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:12,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:12,429 INFO L229 MonitoredProcess]: Starting monitored process 321 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:12,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Waiting until timeout for monitored process [2024-12-05 21:35:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:12,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:12,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:12,773 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:12,910 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:12,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (321)] Ended with exit code 0 [2024-12-05 21:35:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:12,918 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:12,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:12,918 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:12,918 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:12,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:12,920 INFO L229 MonitoredProcess]: Starting monitored process 322 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:12,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Waiting until timeout for monitored process [2024-12-05 21:35:13,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:13,214 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:13,251 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:13,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:13,387 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:13,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (322)] Ended with exit code 0 [2024-12-05 21:35:13,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:13,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:13,394 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:13,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:13,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:13,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:13,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:13,396 INFO L229 MonitoredProcess]: Starting monitored process 323 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:13,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Waiting until timeout for monitored process [2024-12-05 21:35:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:13,682 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:13,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:13,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:13,873 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:13,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (323)] Ended with exit code 0 [2024-12-05 21:35:13,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:13,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:13,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:13,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:13,879 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:13,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:13,881 INFO L229 MonitoredProcess]: Starting monitored process 324 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:13,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Waiting until timeout for monitored process [2024-12-05 21:35:14,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:14,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:14,257 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:14,258 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:14,507 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:14,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (324)] Ended with exit code 0 [2024-12-05 21:35:14,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:14,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:14,526 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:14,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:14,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:14,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:14,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:14,528 INFO L229 MonitoredProcess]: Starting monitored process 325 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:14,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Waiting until timeout for monitored process [2024-12-05 21:35:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:14,818 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:14,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:14,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:14,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:15,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:15,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (325)] Ended with exit code 0 [2024-12-05 21:35:15,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:15,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:15,019 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:15,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:15,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:15,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:15,021 INFO L229 MonitoredProcess]: Starting monitored process 326 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:15,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Waiting until timeout for monitored process [2024-12-05 21:35:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:15,318 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:15,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:15,384 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:15,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (326)] Ended with exit code 0 [2024-12-05 21:35:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:15,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:15,521 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:15,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:15,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:15,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:15,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:15,523 INFO L229 MonitoredProcess]: Starting monitored process 327 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:15,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Waiting until timeout for monitored process [2024-12-05 21:35:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:15,812 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:15,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:15,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:16,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (327)] Ended with exit code 0 [2024-12-05 21:35:16,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:16,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:16,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:16,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:16,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:16,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:16,026 INFO L229 MonitoredProcess]: Starting monitored process 328 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:16,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Waiting until timeout for monitored process [2024-12-05 21:35:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:16,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:16,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:16,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:16,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:16,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (328)] Ended with exit code 0 [2024-12-05 21:35:16,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:16,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:16,557 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:16,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:16,557 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:16,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:16,558 INFO L229 MonitoredProcess]: Starting monitored process 329 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:16,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Waiting until timeout for monitored process [2024-12-05 21:35:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:16,827 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:16,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:16,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:17,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (329)] Ended with exit code 0 [2024-12-05 21:35:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:17,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:17,022 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:17,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:17,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:17,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:17,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:17,024 INFO L229 MonitoredProcess]: Starting monitored process 330 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:17,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Waiting until timeout for monitored process [2024-12-05 21:35:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:17,313 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:17,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:17,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:17,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:17,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (330)] Ended with exit code 0 [2024-12-05 21:35:17,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:17,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:17,508 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:17,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:17,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:17,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:17,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:17,510 INFO L229 MonitoredProcess]: Starting monitored process 331 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:17,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Waiting until timeout for monitored process [2024-12-05 21:35:17,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:17,803 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:17,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:17,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:18,009 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:18,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (331)] Ended with exit code 0 [2024-12-05 21:35:18,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:18,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:18,016 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:18,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:18,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:18,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:18,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:18,018 INFO L229 MonitoredProcess]: Starting monitored process 332 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:18,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Waiting until timeout for monitored process [2024-12-05 21:35:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:18,313 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:18,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:18,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:18,501 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (332)] Ended with exit code 0 [2024-12-05 21:35:18,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:18,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:18,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:18,503 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:18,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:18,505 INFO L229 MonitoredProcess]: Starting monitored process 333 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:18,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Waiting until timeout for monitored process [2024-12-05 21:35:18,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:18,702 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:18,732 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:18,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:18,825 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:18,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (333)] Forceful destruction successful, exit code 0 [2024-12-05 21:35:18,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:18,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:18,830 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:18,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:18,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:18,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:18,831 INFO L229 MonitoredProcess]: Starting monitored process 334 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:18,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Waiting until timeout for monitored process [2024-12-05 21:35:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:19,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:19,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:19,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:19,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:19,155 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:19,157 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (334)] Ended with exit code 0 [2024-12-05 21:35:19,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:19,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:19,159 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:19,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:19,159 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:19,159 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:19,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:19,161 INFO L229 MonitoredProcess]: Starting monitored process 335 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:19,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Waiting until timeout for monitored process [2024-12-05 21:35:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:19,352 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:19,385 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:19,386 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:19,494 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:19,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (335)] Ended with exit code 0 [2024-12-05 21:35:19,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:19,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:19,498 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:19,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:19,498 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:19,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:19,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:19,500 INFO L229 MonitoredProcess]: Starting monitored process 336 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:19,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Waiting until timeout for monitored process [2024-12-05 21:35:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:19,705 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:19,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:19,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:19,850 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:19,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (336)] Ended with exit code 0 [2024-12-05 21:35:19,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:19,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:19,855 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:19,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:19,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:19,855 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:19,855 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:19,857 INFO L229 MonitoredProcess]: Starting monitored process 337 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:19,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Waiting until timeout for monitored process [2024-12-05 21:35:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:20,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:20,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:20,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:20,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:20,236 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:20,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (337)] Ended with exit code 0 [2024-12-05 21:35:20,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:20,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:20,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:20,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:20,241 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:20,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:20,243 INFO L229 MonitoredProcess]: Starting monitored process 338 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:20,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Waiting until timeout for monitored process [2024-12-05 21:35:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:20,452 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:20,513 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:20,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:20,608 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:20,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (338)] Ended with exit code 0 [2024-12-05 21:35:20,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:20,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:20,612 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:20,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:20,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:20,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:20,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:20,613 INFO L229 MonitoredProcess]: Starting monitored process 339 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:20,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Waiting until timeout for monitored process [2024-12-05 21:35:20,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:20,835 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:20,883 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:20,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:20,980 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:20,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (339)] Forceful destruction successful, exit code 0 [2024-12-05 21:35:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:20,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:20,985 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:20,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:20,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:20,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:20,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:20,986 INFO L229 MonitoredProcess]: Starting monitored process 340 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:20,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Waiting until timeout for monitored process [2024-12-05 21:35:21,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:21,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:21,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:21,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:21,494 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:21,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (340)] Ended with exit code 0 [2024-12-05 21:35:21,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:21,499 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:21,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:21,499 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:21,499 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:21,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:21,501 INFO L229 MonitoredProcess]: Starting monitored process 341 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:21,502 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Waiting until timeout for monitored process [2024-12-05 21:35:21,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:21,800 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:21,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:21,865 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:22,012 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:22,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (341)] Ended with exit code 0 [2024-12-05 21:35:22,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:22,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:22,018 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:22,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:22,018 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:22,018 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:22,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:22,019 INFO L229 MonitoredProcess]: Starting monitored process 342 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:22,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Waiting until timeout for monitored process [2024-12-05 21:35:22,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:22,310 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:22,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:22,371 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:22,526 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:22,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (342)] Ended with exit code 0 [2024-12-05 21:35:22,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:22,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:22,531 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:22,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:22,531 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:22,532 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:22,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:22,533 INFO L229 MonitoredProcess]: Starting monitored process 343 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:22,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Waiting until timeout for monitored process [2024-12-05 21:35:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:22,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:22,860 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:22,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:22,954 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:22,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (343)] Ended with exit code 0 [2024-12-05 21:35:22,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:22,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:22,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:22,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:22,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:22,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:22,961 INFO L229 MonitoredProcess]: Starting monitored process 344 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:22,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Waiting until timeout for monitored process [2024-12-05 21:35:23,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:23,156 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:23,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:23,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:23,306 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:23,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (344)] Ended with exit code 0 [2024-12-05 21:35:23,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:23,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:23,311 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:23,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:23,311 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:23,311 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:23,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:23,312 INFO L229 MonitoredProcess]: Starting monitored process 345 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:23,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Waiting until timeout for monitored process [2024-12-05 21:35:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:23,505 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:23,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:23,547 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:23,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (345)] Ended with exit code 0 [2024-12-05 21:35:23,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:23,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:23,745 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:23,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:23,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:23,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:23,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:23,747 INFO L229 MonitoredProcess]: Starting monitored process 346 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:23,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Waiting until timeout for monitored process [2024-12-05 21:35:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:23,946 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:23,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:23,990 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:23,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:24,089 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:24,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (346)] Ended with exit code 0 [2024-12-05 21:35:24,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:24,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:24,094 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:24,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:24,094 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:24,094 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:24,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:24,095 INFO L229 MonitoredProcess]: Starting monitored process 347 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:24,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Waiting until timeout for monitored process [2024-12-05 21:35:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:24,296 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:24,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:24,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:24,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:24,429 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:24,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (347)] Ended with exit code 0 [2024-12-05 21:35:24,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:24,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:24,433 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:24,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:24,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:24,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:24,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:24,435 INFO L229 MonitoredProcess]: Starting monitored process 348 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:24,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Waiting until timeout for monitored process [2024-12-05 21:35:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:24,646 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:24,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:24,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:24,801 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:24,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (348)] Ended with exit code 0 [2024-12-05 21:35:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:24,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:24,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:24,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:24,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:24,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:24,807 INFO L229 MonitoredProcess]: Starting monitored process 349 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:24,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Waiting until timeout for monitored process [2024-12-05 21:35:25,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:25,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:25,063 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:25,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:25,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (349)] Ended with exit code 0 [2024-12-05 21:35:25,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:25,280 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:25,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:25,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:25,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:25,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:25,281 INFO L229 MonitoredProcess]: Starting monitored process 350 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:25,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Waiting until timeout for monitored process [2024-12-05 21:35:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:25,489 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:25,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:25,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:25,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:25,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (350)] Ended with exit code 0 [2024-12-05 21:35:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:25,663 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:25,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:25,663 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:25,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:25,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:25,664 INFO L229 MonitoredProcess]: Starting monitored process 351 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:25,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Waiting until timeout for monitored process [2024-12-05 21:35:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:25,936 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:26,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:26,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:26,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:26,277 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:26,281 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (351)] Ended with exit code 0 [2024-12-05 21:35:26,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:26,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:26,300 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:26,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:26,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:26,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:26,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:26,302 INFO L229 MonitoredProcess]: Starting monitored process 352 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:26,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Waiting until timeout for monitored process [2024-12-05 21:35:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:26,576 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:26,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:26,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:26,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:26,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (352)] Ended with exit code 0 [2024-12-05 21:35:26,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:26,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:26,915 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:26,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:26,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:26,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:26,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:26,917 INFO L229 MonitoredProcess]: Starting monitored process 353 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:26,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Waiting until timeout for monitored process [2024-12-05 21:35:27,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:27,207 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:27,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:27,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:27,407 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:27,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (353)] Ended with exit code 0 [2024-12-05 21:35:27,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:27,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:27,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:27,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:27,413 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:27,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:27,415 INFO L229 MonitoredProcess]: Starting monitored process 354 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:27,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Waiting until timeout for monitored process [2024-12-05 21:35:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:27,714 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:27,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:27,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:27,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (354)] Ended with exit code 0 [2024-12-05 21:35:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:27,924 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:27,925 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:27,925 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:27,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:27,926 INFO L229 MonitoredProcess]: Starting monitored process 355 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:27,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Waiting until timeout for monitored process [2024-12-05 21:35:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:28,215 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:28,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:28,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:28,446 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:28,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (355)] Ended with exit code 0 [2024-12-05 21:35:28,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:28,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:28,453 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:28,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:28,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:28,453 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:28,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:28,455 INFO L229 MonitoredProcess]: Starting monitored process 356 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:28,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Waiting until timeout for monitored process [2024-12-05 21:35:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:28,660 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:28,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:28,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:28,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:28,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (356)] Ended with exit code 0 [2024-12-05 21:35:28,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:28,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:28,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:28,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:28,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:28,921 INFO L229 MonitoredProcess]: Starting monitored process 357 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:28,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Waiting until timeout for monitored process [2024-12-05 21:35:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:29,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:29,170 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:29,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:29,262 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:29,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (357)] Ended with exit code 0 [2024-12-05 21:35:29,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:29,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:29,266 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:29,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:29,266 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:29,266 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:29,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:29,268 INFO L229 MonitoredProcess]: Starting monitored process 358 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:29,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Waiting until timeout for monitored process [2024-12-05 21:35:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:29,465 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:29,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:29,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:29,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (358)] Ended with exit code 0 [2024-12-05 21:35:29,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:29,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:29,709 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:29,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:29,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:29,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:29,711 INFO L229 MonitoredProcess]: Starting monitored process 359 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:29,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Waiting until timeout for monitored process [2024-12-05 21:35:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:29,908 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:29,941 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:29,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:30,045 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:30,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (359)] Ended with exit code 0 [2024-12-05 21:35:30,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:30,050 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:30,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:30,050 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:30,050 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:30,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:30,051 INFO L229 MonitoredProcess]: Starting monitored process 360 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:30,052 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Waiting until timeout for monitored process [2024-12-05 21:35:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:30,253 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:30,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:30,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:30,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:30,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (360)] Ended with exit code 0 [2024-12-05 21:35:30,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:30,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:30,417 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:30,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:30,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:30,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:30,419 INFO L229 MonitoredProcess]: Starting monitored process 361 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:30,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Waiting until timeout for monitored process [2024-12-05 21:35:30,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:30,651 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:30,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:30,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:30,868 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:30,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (361)] Ended with exit code 0 [2024-12-05 21:35:30,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:30,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:30,875 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:30,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:30,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:30,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:30,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:30,876 INFO L229 MonitoredProcess]: Starting monitored process 362 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:30,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Waiting until timeout for monitored process [2024-12-05 21:35:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:31,084 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:31,125 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:31,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:31,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (362)] Ended with exit code 0 [2024-12-05 21:35:31,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:31,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:31,243 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:31,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:31,243 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:31,243 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:31,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:31,245 INFO L229 MonitoredProcess]: Starting monitored process 363 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:31,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Waiting until timeout for monitored process [2024-12-05 21:35:31,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:31,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:31,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:31,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:31,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:31,631 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:31,633 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (363)] Ended with exit code 0 [2024-12-05 21:35:31,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:31,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:31,636 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:31,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:31,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:31,636 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:31,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:31,638 INFO L229 MonitoredProcess]: Starting monitored process 364 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:31,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Waiting until timeout for monitored process [2024-12-05 21:35:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:31,918 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:31,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:31,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:32,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (364)] Ended with exit code 0 [2024-12-05 21:35:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:32,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:32,258 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:32,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:32,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:32,258 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:32,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:32,260 INFO L229 MonitoredProcess]: Starting monitored process 365 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:32,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Waiting until timeout for monitored process [2024-12-05 21:35:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:32,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:32,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:32,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:32,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:32,746 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (365)] Ended with exit code 0 [2024-12-05 21:35:32,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:32,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:32,749 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:32,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:32,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:32,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:32,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:32,751 INFO L229 MonitoredProcess]: Starting monitored process 366 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:32,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Waiting until timeout for monitored process [2024-12-05 21:35:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:33,039 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:33,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:33,131 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:33,132 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:33,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:33,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (366)] Ended with exit code 0 [2024-12-05 21:35:33,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:33,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:33,289 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:33,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:33,289 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:33,289 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:33,289 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:33,291 INFO L229 MonitoredProcess]: Starting monitored process 367 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:33,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Waiting until timeout for monitored process [2024-12-05 21:35:33,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:33,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:33,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:33,633 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:33,634 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:33,758 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:33,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (367)] Ended with exit code 0 [2024-12-05 21:35:33,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:33,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:33,764 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:33,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:33,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:33,764 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:33,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:33,766 INFO L229 MonitoredProcess]: Starting monitored process 368 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:33,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Waiting until timeout for monitored process [2024-12-05 21:35:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:34,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:34,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:34,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:34,225 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:34,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (368)] Ended with exit code 0 [2024-12-05 21:35:34,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:34,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:34,231 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:34,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:34,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:34,232 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:34,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:34,233 INFO L229 MonitoredProcess]: Starting monitored process 369 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:34,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Waiting until timeout for monitored process [2024-12-05 21:35:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:34,530 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:34,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:35:34,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:34,871 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:35:34,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (369)] Ended with exit code 0 [2024-12-05 21:35:34,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:34,893 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:34,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:34,893 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:34,893 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:34,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:34,895 INFO L229 MonitoredProcess]: Starting monitored process 370 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:34,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Waiting until timeout for monitored process [2024-12-05 21:35:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:35,191 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:35,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:35,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:35,356 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:35,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (370)] Ended with exit code 0 [2024-12-05 21:35:35,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:35,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:35,360 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:35,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:35,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:35,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:35,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:35,362 INFO L229 MonitoredProcess]: Starting monitored process 371 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:35,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Waiting until timeout for monitored process [2024-12-05 21:35:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:35,556 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:35,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:35,597 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:35,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:35,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (371)] Ended with exit code 0 [2024-12-05 21:35:35,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:35,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:35,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:35,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:35,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:35,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:35,698 INFO L229 MonitoredProcess]: Starting monitored process 372 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:35,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Waiting until timeout for monitored process [2024-12-05 21:35:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:35,897 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:35,933 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:35,934 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:36,034 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:36,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (372)] Ended with exit code 0 [2024-12-05 21:35:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:36,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:36,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:36,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:36,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:36,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:36,039 INFO L229 MonitoredProcess]: Starting monitored process 373 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:36,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Waiting until timeout for monitored process [2024-12-05 21:35:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:36,235 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:36,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:36,297 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:36,391 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:36,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (373)] Ended with exit code 0 [2024-12-05 21:35:36,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:36,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:36,397 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:36,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:36,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:36,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:36,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:36,398 INFO L229 MonitoredProcess]: Starting monitored process 374 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:36,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Waiting until timeout for monitored process [2024-12-05 21:35:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:36,604 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:36,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:36,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:36,755 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:36,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (374)] Forceful destruction successful, exit code 0 [2024-12-05 21:35:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:36,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:36,760 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:36,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:36,760 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:36,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:36,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:36,761 INFO L229 MonitoredProcess]: Starting monitored process 375 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:36,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Waiting until timeout for monitored process [2024-12-05 21:35:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:36,957 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:37,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:37,003 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:37,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:37,102 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:37,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (375)] Forceful destruction successful, exit code 0 [2024-12-05 21:35:37,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:37,107 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:37,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:37,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:37,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:37,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:35:37,108 INFO L229 MonitoredProcess]: Starting monitored process 376 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:35:37,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Waiting until timeout for monitored process [2024-12-05 21:35:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:37,319 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:35:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:35:37,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:35:37,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:35:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:35:37,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (376)] Ended with exit code 0 [2024-12-05 21:35:37,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:35:37,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 32 states and 50 transitions. [2024-12-05 21:35:37,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 50 transitions. [2024-12-05 21:35:37,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:35:37,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:35:37,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:35:37,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 WARNING: YOUR LOGFILE WAS TOO LONG, SOME LINES IN THE MIDDLE WERE REMOVED. [2024-12-05 21:44:21,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1578)] Waiting until timeout for monitored process [2024-12-05 21:44:21,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:21,279 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:21,330 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:21,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:21,515 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:21,518 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1578)] Ended with exit code 0 [2024-12-05 21:44:21,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:21,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:21,520 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:21,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:21,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:21,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:21,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:21,522 INFO L229 MonitoredProcess]: Starting monitored process 1579 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:21,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1579)] Waiting until timeout for monitored process [2024-12-05 21:44:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:21,726 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:21,787 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:21,788 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:21,883 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:21,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1579)] Ended with exit code 0 [2024-12-05 21:44:21,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:21,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:21,888 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:21,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:21,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:21,888 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:21,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:21,889 INFO L229 MonitoredProcess]: Starting monitored process 1580 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:21,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1580)] Waiting until timeout for monitored process [2024-12-05 21:44:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:22,097 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:22,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:22,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:22,324 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:22,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1580)] Ended with exit code 0 [2024-12-05 21:44:22,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:22,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:22,329 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:22,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:22,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:22,329 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:22,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:22,330 INFO L229 MonitoredProcess]: Starting monitored process 1581 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:22,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1581)] Waiting until timeout for monitored process [2024-12-05 21:44:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:22,537 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:22,565 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:22,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:22,662 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:22,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1581)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:22,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:22,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:22,667 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:22,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:22,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:22,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:22,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:22,668 INFO L229 MonitoredProcess]: Starting monitored process 1582 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:22,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1582)] Waiting until timeout for monitored process [2024-12-05 21:44:22,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:22,869 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:22,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:22,902 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:22,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:22,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1582)] Ended with exit code 0 [2024-12-05 21:44:22,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:22,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:22,999 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:22,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:22,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:22,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:22,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:23,000 INFO L229 MonitoredProcess]: Starting monitored process 1583 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:23,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1583)] Waiting until timeout for monitored process [2024-12-05 21:44:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:23,205 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:23,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:23,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:23,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:23,346 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:23,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1583)] Ended with exit code 0 [2024-12-05 21:44:23,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:23,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:23,350 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:23,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:23,350 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:23,350 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:23,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:23,351 INFO L229 MonitoredProcess]: Starting monitored process 1584 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:23,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1584)] Waiting until timeout for monitored process [2024-12-05 21:44:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:23,554 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:23,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:23,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:23,705 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:23,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1584)] Ended with exit code 0 [2024-12-05 21:44:23,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:23,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:23,709 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:23,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:23,709 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:23,709 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:23,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:23,710 INFO L229 MonitoredProcess]: Starting monitored process 1585 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:23,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1585)] Waiting until timeout for monitored process [2024-12-05 21:44:23,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:23,918 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:23,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:23,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:23,964 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:24,163 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:24,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1585)] Ended with exit code 0 [2024-12-05 21:44:24,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:24,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:24,168 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:24,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:24,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:24,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:24,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:24,169 INFO L229 MonitoredProcess]: Starting monitored process 1586 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:24,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1586)] Waiting until timeout for monitored process [2024-12-05 21:44:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:24,371 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:24,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:24,423 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:24,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:24,606 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:24,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1586)] Ended with exit code 0 [2024-12-05 21:44:24,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:24,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:24,611 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:24,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:24,611 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:24,611 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:24,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:24,612 INFO L229 MonitoredProcess]: Starting monitored process 1587 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:24,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1587)] Waiting until timeout for monitored process [2024-12-05 21:44:24,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:24,819 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:24,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:24,853 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:24,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1587)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:24,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:24,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:24,959 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:24,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:24,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:24,960 INFO L229 MonitoredProcess]: Starting monitored process 1588 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:24,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1588)] Waiting until timeout for monitored process [2024-12-05 21:44:25,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:25,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:25,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:25,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:25,303 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:25,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1588)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:25,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:25,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:25,308 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:25,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:25,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:25,308 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:25,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:25,309 INFO L229 MonitoredProcess]: Starting monitored process 1589 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:25,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1589)] Waiting until timeout for monitored process [2024-12-05 21:44:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:25,506 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:25,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:25,563 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:25,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:25,662 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:25,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1589)] Ended with exit code 0 [2024-12-05 21:44:25,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:25,667 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:25,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:25,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:25,668 INFO L229 MonitoredProcess]: Starting monitored process 1590 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:25,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1590)] Waiting until timeout for monitored process [2024-12-05 21:44:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:25,880 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:25,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:25,922 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:26,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1590)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:26,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:26,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:26,021 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:26,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:26,021 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:26,021 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:26,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:26,022 INFO L229 MonitoredProcess]: Starting monitored process 1591 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:26,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1591)] Waiting until timeout for monitored process [2024-12-05 21:44:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:26,231 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:26,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:26,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:26,373 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:26,375 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1591)] Ended with exit code 0 [2024-12-05 21:44:26,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:26,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:26,377 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:26,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:26,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:26,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:26,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:26,379 INFO L229 MonitoredProcess]: Starting monitored process 1592 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:26,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1592)] Waiting until timeout for monitored process [2024-12-05 21:44:26,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:26,592 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:26,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:26,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:26,723 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:26,726 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1592)] Ended with exit code 0 [2024-12-05 21:44:26,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:26,728 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:26,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:26,728 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:26,728 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:26,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:26,729 INFO L229 MonitoredProcess]: Starting monitored process 1593 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:26,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1593)] Waiting until timeout for monitored process [2024-12-05 21:44:26,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:26,937 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:27,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:27,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:27,107 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:27,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1593)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:27,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:27,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:27,112 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:27,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:27,112 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:27,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:27,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:27,113 INFO L229 MonitoredProcess]: Starting monitored process 1594 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:27,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1594)] Waiting until timeout for monitored process [2024-12-05 21:44:27,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:27,315 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:27,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:27,382 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:27,481 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:27,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1594)] Ended with exit code 0 [2024-12-05 21:44:27,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:27,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:27,485 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:27,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:27,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:27,485 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:27,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:27,487 INFO L229 MonitoredProcess]: Starting monitored process 1595 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:27,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1595)] Waiting until timeout for monitored process [2024-12-05 21:44:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:27,687 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:27,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:27,741 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:27,842 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:27,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1595)] Ended with exit code 0 [2024-12-05 21:44:27,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:27,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:27,847 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:27,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:27,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:27,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:27,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:27,848 INFO L229 MonitoredProcess]: Starting monitored process 1596 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:27,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1596)] Waiting until timeout for monitored process [2024-12-05 21:44:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:28,049 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:28,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:28,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:28,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1596)] Ended with exit code 0 [2024-12-05 21:44:28,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:28,201 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:28,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:28,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:28,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:28,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:28,202 INFO L229 MonitoredProcess]: Starting monitored process 1597 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:28,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1597)] Waiting until timeout for monitored process [2024-12-05 21:44:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:28,403 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:28,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:28,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:28,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1597)] Ended with exit code 0 [2024-12-05 21:44:28,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:28,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:28,571 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:28,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:28,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:28,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:28,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:28,572 INFO L229 MonitoredProcess]: Starting monitored process 1598 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:28,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1598)] Waiting until timeout for monitored process [2024-12-05 21:44:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:28,776 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:28,831 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:28,832 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:28,924 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:28,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1598)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:28,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:28,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:28,929 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:28,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:28,929 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:28,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:28,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:28,930 INFO L229 MonitoredProcess]: Starting monitored process 1599 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:28,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1599)] Waiting until timeout for monitored process [2024-12-05 21:44:29,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:29,133 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:29,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:29,173 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:29,274 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:29,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1599)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:29,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:29,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:29,279 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:29,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:29,279 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:29,279 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:29,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:29,280 INFO L229 MonitoredProcess]: Starting monitored process 1600 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:29,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1600)] Waiting until timeout for monitored process [2024-12-05 21:44:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:29,480 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:29,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:29,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:29,647 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:29,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1600)] Ended with exit code 0 [2024-12-05 21:44:29,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:29,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:29,652 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:29,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:29,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:29,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:29,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:29,653 INFO L229 MonitoredProcess]: Starting monitored process 1601 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:29,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1601)] Waiting until timeout for monitored process [2024-12-05 21:44:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:29,860 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:29,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:29,925 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:29,925 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:30,029 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:30,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1601)] Ended with exit code 0 [2024-12-05 21:44:30,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:30,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:30,034 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:30,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:30,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:30,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:30,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:30,035 INFO L229 MonitoredProcess]: Starting monitored process 1602 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:30,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1602)] Waiting until timeout for monitored process [2024-12-05 21:44:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:30,236 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:30,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:30,271 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:30,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:30,371 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:30,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1602)] Ended with exit code 0 [2024-12-05 21:44:30,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:30,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:30,376 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:30,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:30,376 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:30,376 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:30,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:30,377 INFO L229 MonitoredProcess]: Starting monitored process 1603 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:30,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1603)] Waiting until timeout for monitored process [2024-12-05 21:44:30,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:30,583 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:30,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:30,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:30,809 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:30,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1603)] Ended with exit code 0 [2024-12-05 21:44:30,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:30,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:30,813 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:30,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:30,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:30,814 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:30,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:30,815 INFO L229 MonitoredProcess]: Starting monitored process 1604 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:30,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1604)] Waiting until timeout for monitored process [2024-12-05 21:44:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:31,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:31,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:31,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:31,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:31,167 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:31,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1604)] Ended with exit code 0 [2024-12-05 21:44:31,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:31,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:31,171 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:31,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:31,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:31,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:31,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:31,173 INFO L229 MonitoredProcess]: Starting monitored process 1605 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:31,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1605)] Waiting until timeout for monitored process [2024-12-05 21:44:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:31,373 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:31,456 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:31,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:31,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1605)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:31,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:31,652 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:31,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:31,652 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:31,652 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:31,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:31,654 INFO L229 MonitoredProcess]: Starting monitored process 1606 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:31,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1606)] Waiting until timeout for monitored process [2024-12-05 21:44:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:31,867 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:31,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:31,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:31,904 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:32,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:32,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1606)] Ended with exit code 0 [2024-12-05 21:44:32,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:32,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:32,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:32,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:32,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:32,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:32,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:32,012 INFO L229 MonitoredProcess]: Starting monitored process 1607 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:32,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1607)] Waiting until timeout for monitored process [2024-12-05 21:44:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:32,222 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:32,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:32,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:32,256 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:32,355 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:32,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1607)] Ended with exit code 0 [2024-12-05 21:44:32,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:32,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:32,360 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:32,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:32,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:32,360 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:32,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:32,361 INFO L229 MonitoredProcess]: Starting monitored process 1608 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:32,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1608)] Waiting until timeout for monitored process [2024-12-05 21:44:32,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:32,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:32,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:32,618 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:32,715 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:32,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1608)] Ended with exit code 0 [2024-12-05 21:44:32,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:32,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:32,720 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:32,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:32,720 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:32,720 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:32,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:32,721 INFO L229 MonitoredProcess]: Starting monitored process 1609 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:32,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1609)] Waiting until timeout for monitored process [2024-12-05 21:44:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:32,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:32,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:32,956 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:32,957 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:33,054 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:33,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1609)] Ended with exit code 0 [2024-12-05 21:44:33,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:33,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:33,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:33,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:33,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:33,060 INFO L229 MonitoredProcess]: Starting monitored process 1610 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:33,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1610)] Waiting until timeout for monitored process [2024-12-05 21:44:33,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:33,264 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:33,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:33,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:33,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:33,392 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:33,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1610)] Ended with exit code 0 [2024-12-05 21:44:33,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:33,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:33,397 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:33,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:33,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:33,397 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:33,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:33,398 INFO L229 MonitoredProcess]: Starting monitored process 1611 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:33,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1611)] Waiting until timeout for monitored process [2024-12-05 21:44:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:33,605 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:33,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:33,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:33,753 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:33,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1611)] Ended with exit code 0 [2024-12-05 21:44:33,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:33,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:33,758 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:33,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:33,758 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:33,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:33,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:33,759 INFO L229 MonitoredProcess]: Starting monitored process 1612 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:33,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1612)] Waiting until timeout for monitored process [2024-12-05 21:44:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:33,960 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:33,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:33,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:34,095 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:34,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1612)] Ended with exit code 0 [2024-12-05 21:44:34,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:34,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:34,100 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:34,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:34,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:34,100 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:34,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:34,101 INFO L229 MonitoredProcess]: Starting monitored process 1613 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:34,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1613)] Waiting until timeout for monitored process [2024-12-05 21:44:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:34,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:34,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:34,344 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:34,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1613)] Ended with exit code 0 [2024-12-05 21:44:34,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:34,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:34,446 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:34,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:34,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:34,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:34,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:34,447 INFO L229 MonitoredProcess]: Starting monitored process 1614 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:34,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1614)] Waiting until timeout for monitored process [2024-12-05 21:44:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:34,648 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:34,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:34,706 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:34,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:34,801 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:34,804 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1614)] Ended with exit code 0 [2024-12-05 21:44:34,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:34,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:34,806 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:34,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:34,806 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:34,806 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:34,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:34,807 INFO L229 MonitoredProcess]: Starting monitored process 1615 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:34,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1615)] Waiting until timeout for monitored process [2024-12-05 21:44:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:35,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:35,053 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:35,054 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:35,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:35,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1615)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:35,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:35,162 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:35,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:35,162 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:35,162 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:35,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:35,163 INFO L229 MonitoredProcess]: Starting monitored process 1616 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:35,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1616)] Waiting until timeout for monitored process [2024-12-05 21:44:35,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:35,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:35,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:35,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:35,511 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:35,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1616)] Ended with exit code 0 [2024-12-05 21:44:35,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:35,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:35,516 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:35,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:35,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:35,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:35,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:35,517 INFO L229 MonitoredProcess]: Starting monitored process 1617 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:35,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1617)] Waiting until timeout for monitored process [2024-12-05 21:44:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:35,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:35,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:35,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:35,868 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:35,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1617)] Ended with exit code 0 [2024-12-05 21:44:35,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:35,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:35,873 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:35,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:35,874 INFO L229 MonitoredProcess]: Starting monitored process 1618 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:35,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1618)] Waiting until timeout for monitored process [2024-12-05 21:44:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:36,089 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:36,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:36,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:36,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1618)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:36,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:36,248 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:36,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:36,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:36,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:36,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:36,250 INFO L229 MonitoredProcess]: Starting monitored process 1619 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:36,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1619)] Waiting until timeout for monitored process [2024-12-05 21:44:36,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:36,463 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:36,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:36,522 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:36,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:36,624 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:36,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1619)] Ended with exit code 0 [2024-12-05 21:44:36,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:36,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:36,629 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:36,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:36,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:36,629 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:36,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:36,630 INFO L229 MonitoredProcess]: Starting monitored process 1620 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:36,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1620)] Waiting until timeout for monitored process [2024-12-05 21:44:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:36,831 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:36,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:36,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:36,977 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:36,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1620)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:36,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:36,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:36,981 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:36,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:36,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:36,981 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:36,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:36,982 INFO L229 MonitoredProcess]: Starting monitored process 1621 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:36,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1621)] Waiting until timeout for monitored process [2024-12-05 21:44:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:37,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:37,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:37,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:37,228 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:37,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:37,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1621)] Ended with exit code 0 [2024-12-05 21:44:37,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:37,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:37,325 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:37,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:37,325 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:37,325 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:37,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:37,326 INFO L229 MonitoredProcess]: Starting monitored process 1622 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:37,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1622)] Waiting until timeout for monitored process [2024-12-05 21:44:37,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:37,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:37,602 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:37,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:37,697 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:37,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1622)] Ended with exit code 0 [2024-12-05 21:44:37,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:37,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:37,701 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:37,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:37,701 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:37,701 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:37,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:37,702 INFO L229 MonitoredProcess]: Starting monitored process 1623 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:37,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1623)] Waiting until timeout for monitored process [2024-12-05 21:44:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:37,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:37,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:37,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:38,039 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:38,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1623)] Ended with exit code 0 [2024-12-05 21:44:38,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:38,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:38,043 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:38,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:38,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:38,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:38,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:38,044 INFO L229 MonitoredProcess]: Starting monitored process 1624 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:38,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1624)] Waiting until timeout for monitored process [2024-12-05 21:44:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:38,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:38,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:38,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:38,286 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:38,383 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:38,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1624)] Ended with exit code 0 [2024-12-05 21:44:38,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:38,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:38,388 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:38,388 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:38,388 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:38,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:38,389 INFO L229 MonitoredProcess]: Starting monitored process 1625 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:38,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1625)] Waiting until timeout for monitored process [2024-12-05 21:44:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:38,590 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:38,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:38,641 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-12-05 21:44:38,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:38,755 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:38,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1625)] Ended with exit code 0 [2024-12-05 21:44:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:38,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:38,800 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:38,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:38,800 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:38,800 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:38,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:38,802 INFO L229 MonitoredProcess]: Starting monitored process 1626 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:38,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1626)] Waiting until timeout for monitored process [2024-12-05 21:44:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:39,003 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:39,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:39,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:39,152 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:39,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1626)] Ended with exit code 0 [2024-12-05 21:44:39,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:39,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:39,157 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:39,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:39,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:39,157 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:39,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:39,158 INFO L229 MonitoredProcess]: Starting monitored process 1627 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:39,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1627)] Waiting until timeout for monitored process [2024-12-05 21:44:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:39,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:39,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:39,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:39,504 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:39,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1627)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:39,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:39,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:39,509 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:39,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:39,509 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:39,509 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:39,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:39,510 INFO L229 MonitoredProcess]: Starting monitored process 1628 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:39,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1628)] Waiting until timeout for monitored process [2024-12-05 21:44:39,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:39,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:39,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:39,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:39,767 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:39,865 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:39,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1628)] Ended with exit code 0 [2024-12-05 21:44:39,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:39,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:39,869 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:39,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:39,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:39,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:39,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:39,870 INFO L229 MonitoredProcess]: Starting monitored process 1629 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:39,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1629)] Waiting until timeout for monitored process [2024-12-05 21:44:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:40,079 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:40,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:40,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:40,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1629)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:40,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:40,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:40,224 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:40,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:40,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:40,224 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:40,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:40,225 INFO L229 MonitoredProcess]: Starting monitored process 1630 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:40,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1630)] Waiting until timeout for monitored process [2024-12-05 21:44:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:40,424 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:40,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:40,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:40,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:40,569 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:40,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1630)] Ended with exit code 0 [2024-12-05 21:44:40,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:40,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:40,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:40,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:40,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:40,575 INFO L229 MonitoredProcess]: Starting monitored process 1631 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:40,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1631)] Waiting until timeout for monitored process [2024-12-05 21:44:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:40,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:40,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:40,833 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:40,925 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:40,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1631)] Ended with exit code 0 [2024-12-05 21:44:40,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:40,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:40,930 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:40,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:40,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:40,930 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:40,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:40,931 INFO L229 MonitoredProcess]: Starting monitored process 1632 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:40,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1632)] Waiting until timeout for monitored process [2024-12-05 21:44:41,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:41,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:41,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:41,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:41,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:41,276 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:41,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1632)] Ended with exit code 0 [2024-12-05 21:44:41,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:41,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:41,281 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:41,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:41,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:41,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:41,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:41,283 INFO L229 MonitoredProcess]: Starting monitored process 1633 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:41,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1633)] Waiting until timeout for monitored process [2024-12-05 21:44:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:41,487 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:41,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:41,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:41,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:41,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1633)] Ended with exit code 0 [2024-12-05 21:44:41,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:41,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:41,627 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:41,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:41,627 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:41,627 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:41,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:41,629 INFO L229 MonitoredProcess]: Starting monitored process 1634 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:41,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1634)] Waiting until timeout for monitored process [2024-12-05 21:44:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:41,829 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:41,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:41,866 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:41,959 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:41,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1634)] Ended with exit code 0 [2024-12-05 21:44:41,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:41,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:41,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:41,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:41,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:41,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:41,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:41,965 INFO L229 MonitoredProcess]: Starting monitored process 1635 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:41,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1635)] Waiting until timeout for monitored process [2024-12-05 21:44:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:42,170 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:42,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:42,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:42,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:42,321 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1635)] Ended with exit code 0 [2024-12-05 21:44:42,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:42,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:42,323 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:42,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:42,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:42,323 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:42,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:42,324 INFO L229 MonitoredProcess]: Starting monitored process 1636 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:42,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1636)] Waiting until timeout for monitored process [2024-12-05 21:44:42,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:42,527 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:42,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:42,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:42,668 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:42,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1636)] Ended with exit code 0 [2024-12-05 21:44:42,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:42,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:42,672 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:42,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:42,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:42,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:42,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:42,673 INFO L229 MonitoredProcess]: Starting monitored process 1637 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:42,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1637)] Waiting until timeout for monitored process [2024-12-05 21:44:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:42,876 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:42,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:42,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:43,021 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:43,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1637)] Ended with exit code 0 [2024-12-05 21:44:43,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:43,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:43,025 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:43,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:43,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:43,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:43,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:43,027 INFO L229 MonitoredProcess]: Starting monitored process 1638 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:43,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1638)] Waiting until timeout for monitored process [2024-12-05 21:44:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:43,232 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:43,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:43,272 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:43,382 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:43,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1638)] Ended with exit code 0 [2024-12-05 21:44:43,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:43,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:43,387 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:43,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:43,387 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:43,387 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:43,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:43,388 INFO L229 MonitoredProcess]: Starting monitored process 1639 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:43,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1639)] Waiting until timeout for monitored process [2024-12-05 21:44:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:43,589 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:43,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:43,639 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:43,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:43,834 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:43,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1639)] Ended with exit code 0 [2024-12-05 21:44:43,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:43,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:43,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:43,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:43,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:43,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:43,840 INFO L229 MonitoredProcess]: Starting monitored process 1640 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:43,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1640)] Waiting until timeout for monitored process [2024-12-05 21:44:44,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:44,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:44,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:44,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:44,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:44,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1640)] Ended with exit code 0 [2024-12-05 21:44:44,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:44,287 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:44,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:44,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:44,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:44,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:44,288 INFO L229 MonitoredProcess]: Starting monitored process 1641 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:44,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1641)] Waiting until timeout for monitored process [2024-12-05 21:44:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:44,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:44,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:44,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:44,751 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:44,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1641)] Ended with exit code 0 [2024-12-05 21:44:44,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:44,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:44,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:44,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:44,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:44,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:44,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:44,758 INFO L229 MonitoredProcess]: Starting monitored process 1642 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:44,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1642)] Waiting until timeout for monitored process [2024-12-05 21:44:44,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:44,959 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:44,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:44,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:45,095 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:45,097 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1642)] Ended with exit code 0 [2024-12-05 21:44:45,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:45,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:45,099 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:45,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:45,099 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:45,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:45,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:45,100 INFO L229 MonitoredProcess]: Starting monitored process 1643 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:45,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1643)] Waiting until timeout for monitored process [2024-12-05 21:44:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:45,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:45,364 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:45,364 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:45,458 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:45,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1643)] Ended with exit code 0 [2024-12-05 21:44:45,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:45,462 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:45,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:45,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:45,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:45,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:45,463 INFO L229 MonitoredProcess]: Starting monitored process 1644 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:45,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1644)] Waiting until timeout for monitored process [2024-12-05 21:44:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:45,664 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:45,708 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:45,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:45,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1644)] Ended with exit code 0 [2024-12-05 21:44:45,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:45,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:45,807 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:45,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:45,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:45,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:45,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:45,808 INFO L229 MonitoredProcess]: Starting monitored process 1645 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:45,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1645)] Waiting until timeout for monitored process [2024-12-05 21:44:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:46,029 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:46,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:46,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:46,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:46,168 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1645)] Ended with exit code 0 [2024-12-05 21:44:46,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:46,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:46,170 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:46,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:46,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:46,170 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:46,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:46,171 INFO L229 MonitoredProcess]: Starting monitored process 1646 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:46,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1646)] Waiting until timeout for monitored process [2024-12-05 21:44:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:46,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:46,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:46,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:46,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1646)] Ended with exit code 0 [2024-12-05 21:44:46,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:46,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:46,624 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:46,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:46,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:46,625 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:46,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:46,626 INFO L229 MonitoredProcess]: Starting monitored process 1647 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:46,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1647)] Waiting until timeout for monitored process [2024-12-05 21:44:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:46,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:46,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:46,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:46,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:46,959 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:46,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1647)] Ended with exit code 0 [2024-12-05 21:44:46,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:46,963 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:46,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:46,963 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:46,963 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:46,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:46,964 INFO L229 MonitoredProcess]: Starting monitored process 1648 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:46,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1648)] Waiting until timeout for monitored process [2024-12-05 21:44:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:47,167 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:47,202 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:47,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:47,307 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:47,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1648)] Ended with exit code 0 [2024-12-05 21:44:47,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:47,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:47,312 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:47,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:47,312 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:47,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:47,313 INFO L229 MonitoredProcess]: Starting monitored process 1649 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:47,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1649)] Waiting until timeout for monitored process [2024-12-05 21:44:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:47,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:47,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:47,564 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:47,564 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:47,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1649)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:47,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:47,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:47,765 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:47,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:47,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:47,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:47,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:47,766 INFO L229 MonitoredProcess]: Starting monitored process 1650 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:47,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1650)] Waiting until timeout for monitored process [2024-12-05 21:44:47,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:47,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:48,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:48,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:48,037 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:48,254 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:48,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1650)] Ended with exit code 0 [2024-12-05 21:44:48,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:48,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:48,259 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:48,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:48,259 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:48,259 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:48,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:48,261 INFO L229 MonitoredProcess]: Starting monitored process 1651 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:48,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1651)] Waiting until timeout for monitored process [2024-12-05 21:44:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:48,460 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:48,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:48,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:48,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1651)] Ended with exit code 0 [2024-12-05 21:44:48,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:48,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:48,723 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:48,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:48,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:48,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:48,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:48,724 INFO L229 MonitoredProcess]: Starting monitored process 1652 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:48,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1652)] Waiting until timeout for monitored process [2024-12-05 21:44:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:48,934 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:48,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:48,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:49,060 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:49,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1652)] Ended with exit code 0 [2024-12-05 21:44:49,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:49,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:49,064 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:49,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:49,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:49,064 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:49,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:49,066 INFO L229 MonitoredProcess]: Starting monitored process 1653 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:49,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1653)] Waiting until timeout for monitored process [2024-12-05 21:44:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:49,273 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:49,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:49,301 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:49,302 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:49,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:49,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1653)] Ended with exit code 0 [2024-12-05 21:44:49,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:49,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:49,405 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:49,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:49,405 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:49,405 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:49,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:49,406 INFO L229 MonitoredProcess]: Starting monitored process 1654 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:49,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1654)] Waiting until timeout for monitored process [2024-12-05 21:44:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:49,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:49,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:49,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:49,849 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:49,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1654)] Ended with exit code 0 [2024-12-05 21:44:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:49,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:49,854 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:49,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:49,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:49,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:49,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:49,856 INFO L229 MonitoredProcess]: Starting monitored process 1655 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:49,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1655)] Waiting until timeout for monitored process [2024-12-05 21:44:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:50,057 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:50,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:50,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:50,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1655)] Ended with exit code 0 [2024-12-05 21:44:50,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:50,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:50,316 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:50,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:50,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:50,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:50,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:50,317 INFO L229 MonitoredProcess]: Starting monitored process 1656 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:50,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1656)] Waiting until timeout for monitored process [2024-12-05 21:44:50,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:50,517 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:50,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:50,552 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:50,725 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:50,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1656)] Ended with exit code 0 [2024-12-05 21:44:50,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:50,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:50,730 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:50,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:50,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:50,730 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:50,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:50,732 INFO L229 MonitoredProcess]: Starting monitored process 1657 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:50,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1657)] Waiting until timeout for monitored process [2024-12-05 21:44:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:50,938 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:50,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:50,966 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:51,060 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:51,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1657)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:51,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:51,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:51,065 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:51,065 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:51,065 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:51,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:51,066 INFO L229 MonitoredProcess]: Starting monitored process 1658 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:51,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1658)] Waiting until timeout for monitored process [2024-12-05 21:44:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:51,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:51,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:51,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:51,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:51,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1658)] Ended with exit code 0 [2024-12-05 21:44:51,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:51,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:51,431 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:51,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:51,431 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:51,431 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:51,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:51,432 INFO L229 MonitoredProcess]: Starting monitored process 1659 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:51,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1659)] Waiting until timeout for monitored process [2024-12-05 21:44:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:51,639 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:51,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:51,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:51,785 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:51,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1659)] Ended with exit code 0 [2024-12-05 21:44:51,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:51,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:51,790 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:51,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:51,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:51,790 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:51,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:51,792 INFO L229 MonitoredProcess]: Starting monitored process 1660 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:51,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1660)] Waiting until timeout for monitored process [2024-12-05 21:44:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:51,991 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:52,034 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:52,034 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:52,142 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:52,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1660)] Ended with exit code 0 [2024-12-05 21:44:52,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:52,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:52,146 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:52,146 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:52,146 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:52,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:52,147 INFO L229 MonitoredProcess]: Starting monitored process 1661 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:52,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1661)] Waiting until timeout for monitored process [2024-12-05 21:44:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:52,354 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:52,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:52,427 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:52,604 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:52,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1661)] Ended with exit code 0 [2024-12-05 21:44:52,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:52,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:52,609 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:52,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:52,609 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:52,609 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:52,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:52,610 INFO L229 MonitoredProcess]: Starting monitored process 1662 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:52,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1662)] Waiting until timeout for monitored process [2024-12-05 21:44:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:52,810 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:52,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:52,935 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:53,041 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:53,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1662)] Ended with exit code 0 [2024-12-05 21:44:53,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:53,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:53,045 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:53,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:53,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:53,045 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:53,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:53,046 INFO L229 MonitoredProcess]: Starting monitored process 1663 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:53,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1663)] Waiting until timeout for monitored process [2024-12-05 21:44:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:53,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:53,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:53,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:53,387 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:53,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1663)] Ended with exit code 0 [2024-12-05 21:44:53,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:53,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:53,391 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:53,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:53,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:53,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:53,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:53,393 INFO L229 MonitoredProcess]: Starting monitored process 1664 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:53,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1664)] Waiting until timeout for monitored process [2024-12-05 21:44:53,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:53,595 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:53,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:53,660 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:53,753 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:53,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1664)] Ended with exit code 0 [2024-12-05 21:44:53,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:53,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:53,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:53,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:53,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:53,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:53,758 INFO L229 MonitoredProcess]: Starting monitored process 1665 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:53,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1665)] Waiting until timeout for monitored process [2024-12-05 21:44:53,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:53,964 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:54,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:54,019 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:54,119 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:54,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1665)] Ended with exit code 0 [2024-12-05 21:44:54,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:54,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:54,124 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:54,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:54,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:54,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:54,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:54,125 INFO L229 MonitoredProcess]: Starting monitored process 1666 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:54,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1666)] Waiting until timeout for monitored process [2024-12-05 21:44:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:54,330 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:54,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:54,376 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:54,476 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:54,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1666)] Ended with exit code 0 [2024-12-05 21:44:54,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:54,480 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:54,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:54,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:54,481 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:54,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:54,482 INFO L229 MonitoredProcess]: Starting monitored process 1667 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:54,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1667)] Waiting until timeout for monitored process [2024-12-05 21:44:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:54,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:54,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:54,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:54,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:54,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1667)] Ended with exit code 0 [2024-12-05 21:44:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:54,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:54,831 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:54,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:54,831 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:54,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:54,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:54,833 INFO L229 MonitoredProcess]: Starting monitored process 1668 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:54,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1668)] Waiting until timeout for monitored process [2024-12-05 21:44:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:55,037 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:55,082 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:55,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:55,259 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:55,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1668)] Ended with exit code 0 [2024-12-05 21:44:55,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:55,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:55,264 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:55,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:55,264 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:55,264 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:55,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:55,266 INFO L229 MonitoredProcess]: Starting monitored process 1669 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:55,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1669)] Waiting until timeout for monitored process [2024-12-05 21:44:55,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:55,472 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:55,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:55,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:55,625 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:55,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1669)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:55,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:55,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:55,630 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:55,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:55,630 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:55,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:55,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:55,631 INFO L229 MonitoredProcess]: Starting monitored process 1670 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:55,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1670)] Waiting until timeout for monitored process [2024-12-05 21:44:55,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:55,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:55,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:55,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:55,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1670)] Ended with exit code 0 [2024-12-05 21:44:55,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:55,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:55,985 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:55,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:55,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:55,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:55,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:55,987 INFO L229 MonitoredProcess]: Starting monitored process 1671 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:55,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1671)] Waiting until timeout for monitored process [2024-12-05 21:44:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:56,194 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:56,231 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:56,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:56,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1671)] Ended with exit code 0 [2024-12-05 21:44:56,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:56,335 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:56,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:56,335 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:56,335 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:56,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:56,336 INFO L229 MonitoredProcess]: Starting monitored process 1672 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:56,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1672)] Waiting until timeout for monitored process [2024-12-05 21:44:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:56,548 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:56,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:56,605 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:56,700 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:56,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1672)] Ended with exit code 0 [2024-12-05 21:44:56,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:56,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:56,705 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:56,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:56,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:56,705 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:56,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:56,706 INFO L229 MonitoredProcess]: Starting monitored process 1673 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:56,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1673)] Waiting until timeout for monitored process [2024-12-05 21:44:56,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:56,916 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:56,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:56,957 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:56,958 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:57,054 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:57,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1673)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:57,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:57,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:57,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:57,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:57,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:57,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:57,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:57,060 INFO L229 MonitoredProcess]: Starting monitored process 1674 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:57,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1674)] Waiting until timeout for monitored process [2024-12-05 21:44:57,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:57,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:57,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:57,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:57,406 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:57,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1674)] Ended with exit code 0 [2024-12-05 21:44:57,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:57,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:57,411 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:57,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:57,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:57,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:57,412 INFO L229 MonitoredProcess]: Starting monitored process 1675 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:57,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1675)] Waiting until timeout for monitored process [2024-12-05 21:44:57,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:57,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:57,657 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:57,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:57,763 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:57,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1675)] Ended with exit code 0 [2024-12-05 21:44:57,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:57,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:57,767 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:57,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:57,767 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:57,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:57,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:57,769 INFO L229 MonitoredProcess]: Starting monitored process 1676 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:57,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1676)] Waiting until timeout for monitored process [2024-12-05 21:44:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:57,973 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:58,011 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:44:58,011 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:58,185 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:44:58,188 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1676)] Ended with exit code 0 [2024-12-05 21:44:58,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:58,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:58,190 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:58,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:58,190 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:58,190 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:58,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:58,191 INFO L229 MonitoredProcess]: Starting monitored process 1677 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:58,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1677)] Waiting until timeout for monitored process [2024-12-05 21:44:58,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:58,399 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:58,446 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:58,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:58,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:58,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1677)] Ended with exit code 0 [2024-12-05 21:44:58,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:58,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:58,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:58,545 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:58,545 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:58,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:58,546 INFO L229 MonitoredProcess]: Starting monitored process 1678 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:58,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1678)] Waiting until timeout for monitored process [2024-12-05 21:44:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:58,750 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:58,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:58,805 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:58,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:58,901 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:58,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1678)] Ended with exit code 0 [2024-12-05 21:44:58,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:58,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:58,906 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:58,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:58,906 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:58,906 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:58,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:58,907 INFO L229 MonitoredProcess]: Starting monitored process 1679 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:58,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1679)] Waiting until timeout for monitored process [2024-12-05 21:44:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:59,116 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:59,167 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:59,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:59,262 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:59,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1679)] Ended with exit code 0 [2024-12-05 21:44:59,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:59,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:59,267 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:59,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:59,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:59,268 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:59,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:59,269 INFO L229 MonitoredProcess]: Starting monitored process 1680 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:59,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1680)] Waiting until timeout for monitored process [2024-12-05 21:44:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:59,471 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:59,525 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:59,525 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:59,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1680)] Forceful destruction successful, exit code 0 [2024-12-05 21:44:59,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:59,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:59,623 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:59,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:59,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:59,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:59,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:59,624 INFO L229 MonitoredProcess]: Starting monitored process 1681 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:59,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1681)] Waiting until timeout for monitored process [2024-12-05 21:44:59,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:59,830 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:44:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:44:59,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:44:59,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:44:59,983 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:44:59,985 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1681)] Ended with exit code 0 [2024-12-05 21:44:59,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:44:59,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:44:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:44:59,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:44:59,987 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:44:59,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:44:59,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:44:59,989 INFO L229 MonitoredProcess]: Starting monitored process 1682 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:44:59,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1682)] Waiting until timeout for monitored process [2024-12-05 21:45:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:00,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:00,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:00,240 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:00,431 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:00,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1682)] Ended with exit code 0 [2024-12-05 21:45:00,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:00,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:00,436 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:00,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:00,436 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:00,436 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:00,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:00,437 INFO L229 MonitoredProcess]: Starting monitored process 1683 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:00,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1683)] Waiting until timeout for monitored process [2024-12-05 21:45:00,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:00,641 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:00,689 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:00,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:00,794 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:00,796 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1683)] Ended with exit code 0 [2024-12-05 21:45:00,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:00,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:00,798 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:00,798 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:00,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:00,799 INFO L229 MonitoredProcess]: Starting monitored process 1684 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:00,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1684)] Waiting until timeout for monitored process [2024-12-05 21:45:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:00,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:01,051 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:01,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:01,154 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:01,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1684)] Ended with exit code 0 [2024-12-05 21:45:01,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:01,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:01,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:01,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:01,158 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:01,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:01,159 INFO L229 MonitoredProcess]: Starting monitored process 1685 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:01,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1685)] Waiting until timeout for monitored process [2024-12-05 21:45:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:01,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:01,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:01,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:01,407 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:01,613 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:01,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1685)] Ended with exit code 0 [2024-12-05 21:45:01,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:01,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:01,617 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:01,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:01,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:01,617 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:01,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:01,619 INFO L229 MonitoredProcess]: Starting monitored process 1686 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:01,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1686)] Waiting until timeout for monitored process [2024-12-05 21:45:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:01,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:01,891 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:01,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:02,091 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:02,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1686)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:02,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:02,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:02,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:02,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:02,096 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:02,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:02,097 INFO L229 MonitoredProcess]: Starting monitored process 1687 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:02,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1687)] Waiting until timeout for monitored process [2024-12-05 21:45:02,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:02,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:02,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:02,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:02,440 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:02,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1687)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:02,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:02,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:02,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:02,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:02,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:02,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:02,446 INFO L229 MonitoredProcess]: Starting monitored process 1688 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:02,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1688)] Waiting until timeout for monitored process [2024-12-05 21:45:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:02,655 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:02,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:02,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:02,808 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:02,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1688)] Ended with exit code 0 [2024-12-05 21:45:02,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:02,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:02,812 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:02,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:02,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:02,814 INFO L229 MonitoredProcess]: Starting monitored process 1689 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:02,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1689)] Waiting until timeout for monitored process [2024-12-05 21:45:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:03,018 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:03,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:03,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:03,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1689)] Ended with exit code 0 [2024-12-05 21:45:03,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:03,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:03,163 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:03,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:03,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:03,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:03,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:03,165 INFO L229 MonitoredProcess]: Starting monitored process 1690 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:03,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1690)] Waiting until timeout for monitored process [2024-12-05 21:45:03,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:03,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:03,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:03,421 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:03,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:03,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1690)] Ended with exit code 0 [2024-12-05 21:45:03,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:03,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:03,526 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:03,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:03,526 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:03,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:03,527 INFO L229 MonitoredProcess]: Starting monitored process 1691 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:03,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1691)] Waiting until timeout for monitored process [2024-12-05 21:45:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:03,732 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:03,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:03,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:03,984 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:03,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1691)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:03,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:03,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:03,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:03,989 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:03,989 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:03,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:03,990 INFO L229 MonitoredProcess]: Starting monitored process 1692 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:03,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1692)] Waiting until timeout for monitored process [2024-12-05 21:45:04,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:04,192 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:04,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:04,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:04,334 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:04,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1692)] Ended with exit code 0 [2024-12-05 21:45:04,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:04,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:04,338 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:04,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:04,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:04,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:04,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:04,339 INFO L229 MonitoredProcess]: Starting monitored process 1693 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:04,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1693)] Waiting until timeout for monitored process [2024-12-05 21:45:04,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:04,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:04,587 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:04,588 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:04,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1693)] Ended with exit code 0 [2024-12-05 21:45:04,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:04,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:04,699 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:04,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:04,699 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:04,699 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:04,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:04,701 INFO L229 MonitoredProcess]: Starting monitored process 1694 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:04,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1694)] Waiting until timeout for monitored process [2024-12-05 21:45:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:04,902 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:04,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:04,961 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:05,057 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:05,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1694)] Ended with exit code 0 [2024-12-05 21:45:05,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:05,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:05,061 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:05,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:05,061 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:05,061 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:05,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:05,062 INFO L229 MonitoredProcess]: Starting monitored process 1695 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:05,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1695)] Waiting until timeout for monitored process [2024-12-05 21:45:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:05,268 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:05,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:05,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:05,396 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:05,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1695)] Ended with exit code 0 [2024-12-05 21:45:05,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:05,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:05,401 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:05,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:05,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:05,401 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:05,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:05,402 INFO L229 MonitoredProcess]: Starting monitored process 1696 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:05,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1696)] Waiting until timeout for monitored process [2024-12-05 21:45:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:05,601 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:05,659 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:05,659 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:05,760 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:05,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1696)] Ended with exit code 0 [2024-12-05 21:45:05,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:05,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:05,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:05,765 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:05,765 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:05,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:05,766 INFO L229 MonitoredProcess]: Starting monitored process 1697 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:05,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1697)] Waiting until timeout for monitored process [2024-12-05 21:45:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:05,975 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:06,024 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:06,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:06,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1697)] Ended with exit code 0 [2024-12-05 21:45:06,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:06,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:06,131 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:06,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:06,131 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:06,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:06,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:06,132 INFO L229 MonitoredProcess]: Starting monitored process 1698 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:06,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1698)] Waiting until timeout for monitored process [2024-12-05 21:45:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:06,336 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:06,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:06,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:06,378 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:06,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1698)] Ended with exit code 0 [2024-12-05 21:45:06,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:06,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:06,479 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:06,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:06,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:06,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:06,481 INFO L229 MonitoredProcess]: Starting monitored process 1699 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:06,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1699)] Waiting until timeout for monitored process [2024-12-05 21:45:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:06,688 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:06,746 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:06,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:06,840 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:06,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1699)] Ended with exit code 0 [2024-12-05 21:45:06,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:06,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:06,844 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:06,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:06,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:06,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:06,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:06,846 INFO L229 MonitoredProcess]: Starting monitored process 1700 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:06,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1700)] Waiting until timeout for monitored process [2024-12-05 21:45:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:07,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:07,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:07,127 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:07,236 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:07,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1700)] Ended with exit code 0 [2024-12-05 21:45:07,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:07,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:07,240 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:07,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:07,240 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:07,240 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:07,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:07,242 INFO L229 MonitoredProcess]: Starting monitored process 1701 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:07,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1701)] Waiting until timeout for monitored process [2024-12-05 21:45:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:07,445 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:07,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:07,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:07,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:07,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1701)] Ended with exit code 0 [2024-12-05 21:45:07,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:07,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:07,579 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:07,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:07,579 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:07,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:07,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:07,580 INFO L229 MonitoredProcess]: Starting monitored process 1702 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:07,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1702)] Waiting until timeout for monitored process [2024-12-05 21:45:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:07,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:07,856 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:07,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:07,950 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:07,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1702)] Ended with exit code 0 [2024-12-05 21:45:07,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:07,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:07,954 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:07,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:07,954 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:07,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:07,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:07,955 INFO L229 MonitoredProcess]: Starting monitored process 1703 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:07,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1703)] Waiting until timeout for monitored process [2024-12-05 21:45:08,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:08,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:08,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:08,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:08,296 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:08,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1703)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:08,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:08,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:08,300 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:08,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:08,300 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:08,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:08,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:08,302 INFO L229 MonitoredProcess]: Starting monitored process 1704 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:08,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1704)] Waiting until timeout for monitored process [2024-12-05 21:45:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:08,502 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:08,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:08,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:08,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:08,653 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:08,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1704)] Ended with exit code 0 [2024-12-05 21:45:08,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:08,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:08,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:08,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:08,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:08,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:08,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:08,658 INFO L229 MonitoredProcess]: Starting monitored process 1705 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:08,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1705)] Waiting until timeout for monitored process [2024-12-05 21:45:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:08,861 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:08,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:08,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:08,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:08,995 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:08,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1705)] Ended with exit code 0 [2024-12-05 21:45:08,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:08,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:08,999 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:08,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:08,999 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:08,999 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:08,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:09,000 INFO L229 MonitoredProcess]: Starting monitored process 1706 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:09,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1706)] Waiting until timeout for monitored process [2024-12-05 21:45:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:09,201 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:09,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:09,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:09,336 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:09,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1706)] Ended with exit code 0 [2024-12-05 21:45:09,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:09,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:09,340 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:09,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:09,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:09,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:09,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:09,341 INFO L229 MonitoredProcess]: Starting monitored process 1707 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:09,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1707)] Waiting until timeout for monitored process [2024-12-05 21:45:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:09,545 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:09,592 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:09,593 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:09,698 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:09,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1707)] Ended with exit code 0 [2024-12-05 21:45:09,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:09,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:09,703 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:09,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:09,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:09,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:09,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:09,704 INFO L229 MonitoredProcess]: Starting monitored process 1708 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:09,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1708)] Waiting until timeout for monitored process [2024-12-05 21:45:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:09,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:09,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:09,955 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:09,955 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:10,056 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:10,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1708)] Ended with exit code 0 [2024-12-05 21:45:10,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:10,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:10,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:10,060 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:10,060 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:10,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:10,061 INFO L229 MonitoredProcess]: Starting monitored process 1709 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:10,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1709)] Waiting until timeout for monitored process [2024-12-05 21:45:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:10,263 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:10,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:10,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:10,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:10,408 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:10,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1709)] Ended with exit code 0 [2024-12-05 21:45:10,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:10,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:10,412 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:10,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:10,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:10,412 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:10,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:10,413 INFO L229 MonitoredProcess]: Starting monitored process 1710 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:10,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1710)] Waiting until timeout for monitored process [2024-12-05 21:45:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:10,617 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:10,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:10,663 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:10,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1710)] Ended with exit code 0 [2024-12-05 21:45:10,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:10,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:10,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:10,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:10,780 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:10,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:10,782 INFO L229 MonitoredProcess]: Starting monitored process 1711 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:10,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1711)] Waiting until timeout for monitored process [2024-12-05 21:45:10,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:10,983 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:11,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:11,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:11,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:11,232 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1711)] Ended with exit code 0 [2024-12-05 21:45:11,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:11,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:11,234 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:11,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:11,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:11,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:11,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:11,235 INFO L229 MonitoredProcess]: Starting monitored process 1712 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:11,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1712)] Waiting until timeout for monitored process [2024-12-05 21:45:11,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:11,443 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:11,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:11,490 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:11,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1712)] Ended with exit code 0 [2024-12-05 21:45:11,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:11,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:11,696 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:11,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:11,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:11,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:11,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:11,698 INFO L229 MonitoredProcess]: Starting monitored process 1713 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:11,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1713)] Waiting until timeout for monitored process [2024-12-05 21:45:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:11,907 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:11,949 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:11,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:12,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:12,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1713)] Ended with exit code 0 [2024-12-05 21:45:12,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:12,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:12,053 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:12,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:12,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:12,053 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:12,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:12,054 INFO L229 MonitoredProcess]: Starting monitored process 1714 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:12,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1714)] Waiting until timeout for monitored process [2024-12-05 21:45:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:12,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:12,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:12,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:12,304 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:12,406 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:12,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1714)] Ended with exit code 0 [2024-12-05 21:45:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:12,410 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:12,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:12,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:12,411 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:12,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:12,412 INFO L229 MonitoredProcess]: Starting monitored process 1715 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:12,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1715)] Waiting until timeout for monitored process [2024-12-05 21:45:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:12,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:12,656 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:12,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:12,759 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:12,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1715)] Ended with exit code 0 [2024-12-05 21:45:12,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:12,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:12,763 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:12,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:12,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:12,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:12,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:12,765 INFO L229 MonitoredProcess]: Starting monitored process 1716 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:12,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1716)] Waiting until timeout for monitored process [2024-12-05 21:45:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:12,970 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:13,047 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:13,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:13,146 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:13,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1716)] Ended with exit code 0 [2024-12-05 21:45:13,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:13,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:13,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:13,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:13,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:13,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:13,152 INFO L229 MonitoredProcess]: Starting monitored process 1717 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:13,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1717)] Waiting until timeout for monitored process [2024-12-05 21:45:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:13,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:13,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:13,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:13,502 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:13,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1717)] Ended with exit code 0 [2024-12-05 21:45:13,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:13,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:13,507 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:13,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:13,507 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:13,507 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:13,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:13,508 INFO L229 MonitoredProcess]: Starting monitored process 1718 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:13,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1718)] Waiting until timeout for monitored process [2024-12-05 21:45:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:13,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:13,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:13,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:13,761 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:13,859 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:13,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1718)] Ended with exit code 0 [2024-12-05 21:45:13,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:13,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:13,864 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:13,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:13,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:13,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:13,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:13,865 INFO L229 MonitoredProcess]: Starting monitored process 1719 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:13,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1719)] Waiting until timeout for monitored process [2024-12-05 21:45:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:14,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:14,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:14,111 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:14,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:14,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1719)] Ended with exit code 0 [2024-12-05 21:45:14,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:14,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:14,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:14,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:14,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:14,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:14,290 INFO L229 MonitoredProcess]: Starting monitored process 1720 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:14,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1720)] Waiting until timeout for monitored process [2024-12-05 21:45:14,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:14,500 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:14,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:14,540 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:14,639 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:14,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1720)] Ended with exit code 0 [2024-12-05 21:45:14,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:14,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:14,644 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:14,644 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:14,644 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:14,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:14,645 INFO L229 MonitoredProcess]: Starting monitored process 1721 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:14,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1721)] Waiting until timeout for monitored process [2024-12-05 21:45:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:14,849 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:14,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:14,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:14,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:15,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1721)] Ended with exit code 0 [2024-12-05 21:45:15,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:15,022 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:15,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:15,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:15,022 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:15,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:15,023 INFO L229 MonitoredProcess]: Starting monitored process 1722 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:15,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1722)] Waiting until timeout for monitored process [2024-12-05 21:45:15,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:15,229 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:15,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:15,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:15,395 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:15,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1722)] Ended with exit code 0 [2024-12-05 21:45:15,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:15,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:15,400 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:15,400 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:15,400 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:15,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:15,401 INFO L229 MonitoredProcess]: Starting monitored process 1723 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:15,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1723)] Waiting until timeout for monitored process [2024-12-05 21:45:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:15,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:15,650 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:15,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:15,746 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:15,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1723)] Ended with exit code 0 [2024-12-05 21:45:15,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:15,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:15,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:15,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:15,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:15,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:15,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:15,752 INFO L229 MonitoredProcess]: Starting monitored process 1724 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:15,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1724)] Waiting until timeout for monitored process [2024-12-05 21:45:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:15,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:15,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:15,983 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:16,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:16,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1724)] Ended with exit code 0 [2024-12-05 21:45:16,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:16,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:16,087 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:16,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:16,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:16,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:16,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:16,088 INFO L229 MonitoredProcess]: Starting monitored process 1725 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:16,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1725)] Waiting until timeout for monitored process [2024-12-05 21:45:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:16,288 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:16,332 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:16,333 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:16,445 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:16,447 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1725)] Ended with exit code 0 [2024-12-05 21:45:16,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:16,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:16,450 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:16,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:16,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:16,450 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:16,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:16,451 INFO L229 MonitoredProcess]: Starting monitored process 1726 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:16,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1726)] Waiting until timeout for monitored process [2024-12-05 21:45:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:16,667 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:16,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:16,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:16,707 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:16,810 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:16,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1726)] Ended with exit code 0 [2024-12-05 21:45:16,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:16,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:16,815 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:16,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:16,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:16,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:16,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:16,816 INFO L229 MonitoredProcess]: Starting monitored process 1727 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:16,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1727)] Waiting until timeout for monitored process [2024-12-05 21:45:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:17,026 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:17,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:17,090 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:17,091 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:17,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1727)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:17,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:17,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:17,192 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:17,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:17,192 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:17,192 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:17,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:17,193 INFO L229 MonitoredProcess]: Starting monitored process 1728 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:17,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1728)] Waiting until timeout for monitored process [2024-12-05 21:45:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:17,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:17,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:17,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:17,624 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:17,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1728)] Ended with exit code 0 [2024-12-05 21:45:17,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:17,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:17,628 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:17,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:17,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:17,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:17,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:17,630 INFO L229 MonitoredProcess]: Starting monitored process 1729 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:17,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1729)] Waiting until timeout for monitored process [2024-12-05 21:45:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:17,837 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:17,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:17,876 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:17,975 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:17,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1729)] Ended with exit code 0 [2024-12-05 21:45:17,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:17,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:17,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:17,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:17,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:17,981 INFO L229 MonitoredProcess]: Starting monitored process 1730 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:17,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1730)] Waiting until timeout for monitored process [2024-12-05 21:45:18,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:18,183 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:18,237 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:18,238 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:18,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1730)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:18,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:18,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:18,338 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:18,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:18,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:18,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:18,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:18,339 INFO L229 MonitoredProcess]: Starting monitored process 1731 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:18,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1731)] Waiting until timeout for monitored process [2024-12-05 21:45:18,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:18,541 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:18,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:18,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:18,709 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1731)] Ended with exit code 0 [2024-12-05 21:45:18,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:18,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:18,711 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:18,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:18,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:18,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:18,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:18,712 INFO L229 MonitoredProcess]: Starting monitored process 1732 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:18,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1732)] Waiting until timeout for monitored process [2024-12-05 21:45:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:18,914 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:18,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:18,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:18,951 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:19,053 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:19,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1732)] Ended with exit code 0 [2024-12-05 21:45:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:19,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:19,058 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:19,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:19,058 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:19,058 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:19,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:19,059 INFO L229 MonitoredProcess]: Starting monitored process 1733 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:19,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1733)] Waiting until timeout for monitored process [2024-12-05 21:45:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:19,271 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:19,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:19,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:19,440 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:19,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1733)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:19,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:19,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:19,445 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:19,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:19,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:19,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:19,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:19,446 INFO L229 MonitoredProcess]: Starting monitored process 1734 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:19,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1734)] Waiting until timeout for monitored process [2024-12-05 21:45:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:19,654 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:19,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:19,699 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:19,801 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:19,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1734)] Ended with exit code 0 [2024-12-05 21:45:19,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:19,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:19,805 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:19,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:19,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:19,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:19,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:19,807 INFO L229 MonitoredProcess]: Starting monitored process 1735 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:19,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1735)] Waiting until timeout for monitored process [2024-12-05 21:45:20,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:20,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:20,056 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:20,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:20,151 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:20,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1735)] Ended with exit code 0 [2024-12-05 21:45:20,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:20,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:20,155 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:20,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:20,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:20,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:20,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:20,156 INFO L229 MonitoredProcess]: Starting monitored process 1736 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:20,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1736)] Waiting until timeout for monitored process [2024-12-05 21:45:20,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:20,366 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:20,401 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:20,401 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:20,505 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:20,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1736)] Ended with exit code 0 [2024-12-05 21:45:20,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:20,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:20,510 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:20,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:20,510 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:20,510 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:20,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:20,511 INFO L229 MonitoredProcess]: Starting monitored process 1737 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:20,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1737)] Waiting until timeout for monitored process [2024-12-05 21:45:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:20,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:20,751 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:20,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:20,864 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:20,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1737)] Ended with exit code 0 [2024-12-05 21:45:20,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:20,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:20,869 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:20,869 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:20,869 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:20,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:20,870 INFO L229 MonitoredProcess]: Starting monitored process 1738 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:20,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1738)] Waiting until timeout for monitored process [2024-12-05 21:45:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:21,076 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:21,130 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:21,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:21,232 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:21,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1738)] Ended with exit code 0 [2024-12-05 21:45:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:21,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:21,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:21,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:21,237 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:21,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:21,238 INFO L229 MonitoredProcess]: Starting monitored process 1739 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:21,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1739)] Waiting until timeout for monitored process [2024-12-05 21:45:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:21,442 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:21,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:21,483 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:21,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1739)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:21,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:21,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:21,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:21,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:21,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:21,681 INFO L229 MonitoredProcess]: Starting monitored process 1740 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:21,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1740)] Waiting until timeout for monitored process [2024-12-05 21:45:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:21,882 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:21,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:21,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:21,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:22,070 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:22,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1740)] Ended with exit code 0 [2024-12-05 21:45:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:22,075 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:22,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:22,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:22,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:22,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:22,076 INFO L229 MonitoredProcess]: Starting monitored process 1741 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:22,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1741)] Waiting until timeout for monitored process [2024-12-05 21:45:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:22,278 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:22,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:22,315 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:22,417 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:22,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1741)] Ended with exit code 0 [2024-12-05 21:45:22,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:22,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:22,422 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:22,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:22,422 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:22,422 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:22,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:22,423 INFO L229 MonitoredProcess]: Starting monitored process 1742 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:22,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1742)] Waiting until timeout for monitored process [2024-12-05 21:45:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:22,623 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:22,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:22,658 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:22,658 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:22,752 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:22,755 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1742)] Ended with exit code 0 [2024-12-05 21:45:22,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:22,757 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:22,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:22,757 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:22,757 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:22,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:22,758 INFO L229 MonitoredProcess]: Starting monitored process 1743 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:22,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1743)] Waiting until timeout for monitored process [2024-12-05 21:45:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:22,963 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:23,015 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:23,015 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:23,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1743)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:23,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:23,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:23,121 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:23,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:23,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:23,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:23,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:23,123 INFO L229 MonitoredProcess]: Starting monitored process 1744 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:23,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1744)] Waiting until timeout for monitored process [2024-12-05 21:45:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:23,333 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:23,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:23,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:23,475 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:23,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1744)] Ended with exit code 0 [2024-12-05 21:45:23,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:23,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:23,479 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:23,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:23,480 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:23,480 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:23,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:23,481 INFO L229 MonitoredProcess]: Starting monitored process 1745 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:23,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1745)] Waiting until timeout for monitored process [2024-12-05 21:45:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:23,683 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:23,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:23,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:23,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:23,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1745)] Ended with exit code 0 [2024-12-05 21:45:23,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:23,832 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:23,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:23,832 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:23,832 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:23,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:23,833 INFO L229 MonitoredProcess]: Starting monitored process 1746 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:23,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1746)] Waiting until timeout for monitored process [2024-12-05 21:45:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:24,040 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:24,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:24,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:24,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1746)] Ended with exit code 0 [2024-12-05 21:45:24,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:24,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:24,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:24,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:24,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:24,198 INFO L229 MonitoredProcess]: Starting monitored process 1747 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:24,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1747)] Waiting until timeout for monitored process [2024-12-05 21:45:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:24,402 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:24,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:24,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:24,528 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:24,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1747)] Ended with exit code 0 [2024-12-05 21:45:24,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:24,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:24,533 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:24,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:24,533 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:24,533 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:24,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:24,534 INFO L229 MonitoredProcess]: Starting monitored process 1748 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:24,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1748)] Waiting until timeout for monitored process [2024-12-05 21:45:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:24,739 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:24,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:24,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:24,899 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:24,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1748)] Ended with exit code 0 [2024-12-05 21:45:24,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:24,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:24,904 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:24,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:24,904 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:24,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:24,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:24,905 INFO L229 MonitoredProcess]: Starting monitored process 1749 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:24,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1749)] Waiting until timeout for monitored process [2024-12-05 21:45:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:25,110 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:25,156 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:25,156 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:25,249 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:25,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1749)] Ended with exit code 0 [2024-12-05 21:45:25,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:25,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:25,253 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:25,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:25,254 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:25,254 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:25,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:25,255 INFO L229 MonitoredProcess]: Starting monitored process 1750 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:25,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1750)] Waiting until timeout for monitored process [2024-12-05 21:45:25,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:25,462 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:25,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:25,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:25,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:25,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1750)] Ended with exit code 0 [2024-12-05 21:45:25,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:25,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:25,593 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:25,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:25,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:25,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:25,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:25,594 INFO L229 MonitoredProcess]: Starting monitored process 1751 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:25,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1751)] Waiting until timeout for monitored process [2024-12-05 21:45:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:25,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:25,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:25,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:26,052 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:26,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1751)] Ended with exit code 0 [2024-12-05 21:45:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:26,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:26,056 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:26,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:26,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:26,056 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:26,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:26,057 INFO L229 MonitoredProcess]: Starting monitored process 1752 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:26,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1752)] Waiting until timeout for monitored process [2024-12-05 21:45:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:26,258 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:26,307 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:26,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:26,404 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:26,407 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1752)] Ended with exit code 0 [2024-12-05 21:45:26,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:26,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:26,409 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:26,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:26,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:26,409 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:26,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:26,410 INFO L229 MonitoredProcess]: Starting monitored process 1753 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:26,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1753)] Waiting until timeout for monitored process [2024-12-05 21:45:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:26,613 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:26,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:26,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:26,746 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:26,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1753)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:26,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:26,751 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:26,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:26,751 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:26,751 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:26,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:26,752 INFO L229 MonitoredProcess]: Starting monitored process 1754 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:26,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1754)] Waiting until timeout for monitored process [2024-12-05 21:45:26,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:26,959 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:26,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:26,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:27,097 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:27,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1754)] Ended with exit code 0 [2024-12-05 21:45:27,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:27,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:27,101 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:27,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:27,102 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:27,102 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:27,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:27,103 INFO L229 MonitoredProcess]: Starting monitored process 1755 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:27,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1755)] Waiting until timeout for monitored process [2024-12-05 21:45:27,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:27,304 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:27,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:27,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:27,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:27,434 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:27,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1755)] Ended with exit code 0 [2024-12-05 21:45:27,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:27,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:27,439 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:27,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:27,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:27,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:27,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:27,440 INFO L229 MonitoredProcess]: Starting monitored process 1756 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:27,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1756)] Waiting until timeout for monitored process [2024-12-05 21:45:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:27,641 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:27,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:27,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:27,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:27,778 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:27,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1756)] Ended with exit code 0 [2024-12-05 21:45:27,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:27,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:27,782 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:27,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:27,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:27,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:27,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:27,784 INFO L229 MonitoredProcess]: Starting monitored process 1757 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:27,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1757)] Waiting until timeout for monitored process [2024-12-05 21:45:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:27,989 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:28,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:28,021 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:28,121 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:28,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1757)] Ended with exit code 0 [2024-12-05 21:45:28,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:28,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:28,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:28,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:28,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:28,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:28,127 INFO L229 MonitoredProcess]: Starting monitored process 1758 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:28,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1758)] Waiting until timeout for monitored process [2024-12-05 21:45:28,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:28,326 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:28,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:28,375 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:28,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:28,471 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:28,473 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1758)] Ended with exit code 0 [2024-12-05 21:45:28,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:28,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:28,475 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:28,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:28,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:28,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:28,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:28,477 INFO L229 MonitoredProcess]: Starting monitored process 1759 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:28,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1759)] Waiting until timeout for monitored process [2024-12-05 21:45:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:28,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:28,725 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:28,725 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:28,840 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:28,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1759)] Ended with exit code 0 [2024-12-05 21:45:28,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:28,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:28,844 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:28,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:28,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:28,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:28,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:28,846 INFO L229 MonitoredProcess]: Starting monitored process 1760 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:28,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1760)] Waiting until timeout for monitored process [2024-12-05 21:45:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:29,046 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:29,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:29,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:29,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1760)] Ended with exit code 0 [2024-12-05 21:45:29,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:29,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:29,193 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:29,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:29,193 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:29,194 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:29,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:29,195 INFO L229 MonitoredProcess]: Starting monitored process 1761 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:29,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1761)] Waiting until timeout for monitored process [2024-12-05 21:45:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:29,395 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:29,448 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:29,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:29,539 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:29,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1761)] Ended with exit code 0 [2024-12-05 21:45:29,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:29,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:29,543 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:29,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:29,543 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:29,543 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:29,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:29,545 INFO L229 MonitoredProcess]: Starting monitored process 1762 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:29,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1762)] Waiting until timeout for monitored process [2024-12-05 21:45:29,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:29,745 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:29,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:29,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:29,895 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:29,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1762)] Ended with exit code 0 [2024-12-05 21:45:29,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:29,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:29,899 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:29,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:29,899 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:29,899 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:29,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:29,900 INFO L229 MonitoredProcess]: Starting monitored process 1763 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:29,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1763)] Waiting until timeout for monitored process [2024-12-05 21:45:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:30,103 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:30,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:30,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:30,243 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:30,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1763)] Ended with exit code 0 [2024-12-05 21:45:30,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:30,247 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:30,247 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:30,247 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:30,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:30,249 INFO L229 MonitoredProcess]: Starting monitored process 1764 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:30,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1764)] Waiting until timeout for monitored process [2024-12-05 21:45:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:30,450 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:30,493 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:30,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:30,609 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:30,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1764)] Ended with exit code 0 [2024-12-05 21:45:30,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:30,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:30,613 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:30,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:30,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:30,613 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:30,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:30,614 INFO L229 MonitoredProcess]: Starting monitored process 1765 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:30,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1765)] Waiting until timeout for monitored process [2024-12-05 21:45:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:30,816 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:30,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:30,869 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:30,967 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:30,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1765)] Ended with exit code 0 [2024-12-05 21:45:30,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:30,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:30,972 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:30,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:30,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:30,972 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:30,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:30,973 INFO L229 MonitoredProcess]: Starting monitored process 1766 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:30,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1766)] Waiting until timeout for monitored process [2024-12-05 21:45:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:31,174 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:31,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:31,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:31,328 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:31,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1766)] Ended with exit code 0 [2024-12-05 21:45:31,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:31,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:31,333 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:31,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:31,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:31,333 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:31,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:31,334 INFO L229 MonitoredProcess]: Starting monitored process 1767 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:31,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1767)] Waiting until timeout for monitored process [2024-12-05 21:45:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:31,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:31,582 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:31,583 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:31,681 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:31,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1767)] Ended with exit code 0 [2024-12-05 21:45:31,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:31,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:31,686 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:31,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:31,686 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:31,686 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:31,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:31,687 INFO L229 MonitoredProcess]: Starting monitored process 1768 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:31,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1768)] Waiting until timeout for monitored process [2024-12-05 21:45:31,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:31,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:31,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:31,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:31,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:32,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:32,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1768)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:32,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:32,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:32,054 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:32,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:32,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:32,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:32,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:32,055 INFO L229 MonitoredProcess]: Starting monitored process 1769 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:32,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1769)] Waiting until timeout for monitored process [2024-12-05 21:45:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:32,259 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:32,305 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:32,306 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:32,401 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:32,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1769)] Ended with exit code 0 [2024-12-05 21:45:32,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:32,406 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:32,406 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:32,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:32,407 INFO L229 MonitoredProcess]: Starting monitored process 1770 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:32,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1770)] Waiting until timeout for monitored process [2024-12-05 21:45:32,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:32,610 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:32,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:32,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:32,738 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:32,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1770)] Ended with exit code 0 [2024-12-05 21:45:32,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:32,742 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:32,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:32,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:32,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:32,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:32,744 INFO L229 MonitoredProcess]: Starting monitored process 1771 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:32,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1771)] Waiting until timeout for monitored process [2024-12-05 21:45:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:32,951 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:33,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:33,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:33,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:33,113 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:33,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1771)] Ended with exit code 0 [2024-12-05 21:45:33,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:33,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:33,118 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:33,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:33,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:33,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:33,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:33,119 INFO L229 MonitoredProcess]: Starting monitored process 1772 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:33,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1772)] Waiting until timeout for monitored process [2024-12-05 21:45:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:33,328 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:33,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:33,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:33,486 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:33,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1772)] Ended with exit code 0 [2024-12-05 21:45:33,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:33,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:33,490 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:33,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:33,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:33,490 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:33,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:33,491 INFO L229 MonitoredProcess]: Starting monitored process 1773 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:33,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1773)] Waiting until timeout for monitored process [2024-12-05 21:45:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:33,693 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:33,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:33,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:33,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1773)] Ended with exit code 0 [2024-12-05 21:45:33,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:33,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:33,922 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:33,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:33,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:33,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:33,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:33,923 INFO L229 MonitoredProcess]: Starting monitored process 1774 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:33,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1774)] Waiting until timeout for monitored process [2024-12-05 21:45:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:34,130 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:34,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:34,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:34,282 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:34,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1774)] Ended with exit code 0 [2024-12-05 21:45:34,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:34,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:34,287 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:34,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:34,287 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:34,287 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:34,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:34,288 INFO L229 MonitoredProcess]: Starting monitored process 1775 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:34,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1775)] Waiting until timeout for monitored process [2024-12-05 21:45:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:34,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:34,542 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:34,543 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:34,640 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:34,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1775)] Ended with exit code 0 [2024-12-05 21:45:34,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:34,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:34,645 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:34,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:34,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:34,645 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:34,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:34,646 INFO L229 MonitoredProcess]: Starting monitored process 1776 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:34,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1776)] Waiting until timeout for monitored process [2024-12-05 21:45:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:34,852 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:34,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:34,912 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:34,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:35,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1776)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:35,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:35,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:35,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:35,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:35,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:35,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:35,012 INFO L229 MonitoredProcess]: Starting monitored process 1777 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:35,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1777)] Waiting until timeout for monitored process [2024-12-05 21:45:35,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:35,212 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:35,267 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:35,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:35,373 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:35,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1777)] Ended with exit code 0 [2024-12-05 21:45:35,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:35,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:35,377 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:35,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:35,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:35,378 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:35,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:35,379 INFO L229 MonitoredProcess]: Starting monitored process 1778 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:35,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1778)] Waiting until timeout for monitored process [2024-12-05 21:45:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:35,584 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:35,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:35,642 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:35,643 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:35,745 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:35,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1778)] Ended with exit code 0 [2024-12-05 21:45:35,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:35,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:35,749 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:35,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:35,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:35,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:35,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:35,751 INFO L229 MonitoredProcess]: Starting monitored process 1779 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:35,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1779)] Waiting until timeout for monitored process [2024-12-05 21:45:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:35,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:36,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:36,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:36,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:36,116 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:36,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1779)] Ended with exit code 0 [2024-12-05 21:45:36,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:36,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:36,121 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:36,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:36,121 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:36,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:36,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:36,122 INFO L229 MonitoredProcess]: Starting monitored process 1780 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:36,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1780)] Waiting until timeout for monitored process [2024-12-05 21:45:36,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:36,330 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:36,379 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:36,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:36,481 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:36,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1780)] Ended with exit code 0 [2024-12-05 21:45:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:36,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:36,486 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:36,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:36,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:36,486 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:36,486 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:36,487 INFO L229 MonitoredProcess]: Starting monitored process 1781 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:36,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1781)] Waiting until timeout for monitored process [2024-12-05 21:45:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:36,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:36,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:36,753 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:36,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:36,853 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:36,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1781)] Ended with exit code 0 [2024-12-05 21:45:36,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:36,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:36,858 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:36,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:36,858 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:36,858 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:36,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:36,859 INFO L229 MonitoredProcess]: Starting monitored process 1782 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:36,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1782)] Waiting until timeout for monitored process [2024-12-05 21:45:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:37,061 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:37,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:37,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:37,098 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:37,193 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:37,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1782)] Ended with exit code 0 [2024-12-05 21:45:37,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:37,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:37,197 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:37,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:37,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:37,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:37,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:37,198 INFO L229 MonitoredProcess]: Starting monitored process 1783 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:37,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1783)] Waiting until timeout for monitored process [2024-12-05 21:45:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:37,407 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:37,449 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:37,450 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:37,551 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:37,553 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1783)] Ended with exit code 0 [2024-12-05 21:45:37,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:37,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:37,556 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:37,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:37,556 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:37,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:37,557 INFO L229 MonitoredProcess]: Starting monitored process 1784 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:37,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1784)] Waiting until timeout for monitored process [2024-12-05 21:45:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:37,758 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:37,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:37,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:37,891 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:37,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1784)] Ended with exit code 0 [2024-12-05 21:45:37,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:37,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:37,896 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:37,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:37,896 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:37,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:37,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:37,897 INFO L229 MonitoredProcess]: Starting monitored process 1785 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:37,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1785)] Waiting until timeout for monitored process [2024-12-05 21:45:38,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:38,098 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:38,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:38,145 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:38,146 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:38,241 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:38,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1785)] Ended with exit code 0 [2024-12-05 21:45:38,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:38,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:38,245 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:38,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:38,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:38,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:38,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:38,247 INFO L229 MonitoredProcess]: Starting monitored process 1786 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:38,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1786)] Waiting until timeout for monitored process [2024-12-05 21:45:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:38,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:38,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:38,491 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:38,588 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:38,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1786)] Ended with exit code 0 [2024-12-05 21:45:38,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:38,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:38,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:38,593 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:38,593 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:38,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:38,594 INFO L229 MonitoredProcess]: Starting monitored process 1787 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:38,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1787)] Waiting until timeout for monitored process [2024-12-05 21:45:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:38,802 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:38,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:38,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:38,936 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:38,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1787)] Ended with exit code 0 [2024-12-05 21:45:38,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:38,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:38,940 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:38,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:38,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:38,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:38,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:38,941 INFO L229 MonitoredProcess]: Starting monitored process 1788 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:38,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1788)] Waiting until timeout for monitored process [2024-12-05 21:45:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:39,149 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:39,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:39,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:39,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:39,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1788)] Ended with exit code 0 [2024-12-05 21:45:39,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:39,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:39,293 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:39,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:39,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:39,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:39,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:39,295 INFO L229 MonitoredProcess]: Starting monitored process 1789 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:39,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1789)] Waiting until timeout for monitored process [2024-12-05 21:45:39,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:39,496 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:39,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:39,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:39,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1789)] Ended with exit code 0 [2024-12-05 21:45:39,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:39,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:39,642 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:39,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:39,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:39,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:39,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:39,643 INFO L229 MonitoredProcess]: Starting monitored process 1790 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:39,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1790)] Waiting until timeout for monitored process [2024-12-05 21:45:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:39,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:39,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:39,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:39,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:39,973 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:39,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1790)] Ended with exit code 0 [2024-12-05 21:45:39,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:39,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:39,978 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:39,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:39,978 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:39,978 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:39,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:39,979 INFO L229 MonitoredProcess]: Starting monitored process 1791 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:39,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1791)] Waiting until timeout for monitored process [2024-12-05 21:45:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:40,180 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:40,228 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:40,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:40,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1791)] Ended with exit code 0 [2024-12-05 21:45:40,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:40,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:40,339 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:40,339 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:40,339 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:40,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:40,340 INFO L229 MonitoredProcess]: Starting monitored process 1792 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:40,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1792)] Waiting until timeout for monitored process [2024-12-05 21:45:40,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:40,540 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:40,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:40,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:40,708 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:40,711 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1792)] Ended with exit code 0 [2024-12-05 21:45:40,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:40,713 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:40,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:40,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:40,713 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:40,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:40,714 INFO L229 MonitoredProcess]: Starting monitored process 1793 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:40,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1793)] Waiting until timeout for monitored process [2024-12-05 21:45:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:40,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:40,959 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:40,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:41,054 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:41,057 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1793)] Ended with exit code 0 [2024-12-05 21:45:41,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:41,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:41,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:41,059 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:41,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:41,061 INFO L229 MonitoredProcess]: Starting monitored process 1794 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:41,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1794)] Waiting until timeout for monitored process [2024-12-05 21:45:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:41,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:41,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:41,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:41,426 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:41,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1794)] Ended with exit code 0 [2024-12-05 21:45:41,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:41,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:41,430 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:41,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:41,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:41,430 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:41,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:41,431 INFO L229 MonitoredProcess]: Starting monitored process 1795 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:41,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1795)] Waiting until timeout for monitored process [2024-12-05 21:45:41,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:41,631 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:41,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:41,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:41,789 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:41,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1795)] Ended with exit code 0 [2024-12-05 21:45:41,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:41,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:41,794 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:41,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:41,794 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:41,794 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:41,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:41,795 INFO L229 MonitoredProcess]: Starting monitored process 1796 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:41,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1796)] Waiting until timeout for monitored process [2024-12-05 21:45:41,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:41,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:42,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:42,044 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:42,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:42,143 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:42,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1796)] Ended with exit code 0 [2024-12-05 21:45:42,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:42,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:42,147 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:42,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:42,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:42,147 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:42,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:42,148 INFO L229 MonitoredProcess]: Starting monitored process 1797 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:42,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1797)] Waiting until timeout for monitored process [2024-12-05 21:45:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:42,351 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:42,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:42,409 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:42,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:42,512 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:42,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1797)] Ended with exit code 0 [2024-12-05 21:45:42,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:42,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:42,516 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:42,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:42,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:42,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:42,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:42,517 INFO L229 MonitoredProcess]: Starting monitored process 1798 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:42,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1798)] Waiting until timeout for monitored process [2024-12-05 21:45:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:42,719 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:42,757 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:42,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:42,862 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:42,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1798)] Ended with exit code 0 [2024-12-05 21:45:42,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:42,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:42,867 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:42,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:42,867 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:42,867 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:42,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:42,868 INFO L229 MonitoredProcess]: Starting monitored process 1799 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:42,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1799)] Waiting until timeout for monitored process [2024-12-05 21:45:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:43,075 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:43,102 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:43,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:43,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1799)] Ended with exit code 0 [2024-12-05 21:45:43,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:43,204 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:43,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:43,204 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:43,204 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:43,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:43,205 INFO L229 MonitoredProcess]: Starting monitored process 1800 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:43,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1800)] Waiting until timeout for monitored process [2024-12-05 21:45:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:43,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:43,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:43,468 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:43,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:43,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:43,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1800)] Ended with exit code 0 [2024-12-05 21:45:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:43,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:43,571 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:43,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:43,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:43,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:43,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:43,572 INFO L229 MonitoredProcess]: Starting monitored process 1801 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:43,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1801)] Waiting until timeout for monitored process [2024-12-05 21:45:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:43,775 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:43,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:43,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:43,912 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:43,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1801)] Ended with exit code 0 [2024-12-05 21:45:43,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:43,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:43,917 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:43,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:43,917 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:43,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:43,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:43,919 INFO L229 MonitoredProcess]: Starting monitored process 1802 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:43,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1802)] Waiting until timeout for monitored process [2024-12-05 21:45:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:44,127 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:44,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:44,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:44,280 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:44,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1802)] Ended with exit code 0 [2024-12-05 21:45:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:44,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:44,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:44,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:44,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:44,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:44,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:44,286 INFO L229 MonitoredProcess]: Starting monitored process 1803 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:44,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1803)] Waiting until timeout for monitored process [2024-12-05 21:45:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:44,485 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:44,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:44,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:44,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:44,640 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1803)] Ended with exit code 0 [2024-12-05 21:45:44,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:44,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:44,641 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:44,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:44,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:44,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:44,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:44,643 INFO L229 MonitoredProcess]: Starting monitored process 1804 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:44,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1804)] Waiting until timeout for monitored process [2024-12-05 21:45:44,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:44,843 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:44,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:44,886 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:44,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1804)] Ended with exit code 0 [2024-12-05 21:45:44,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:44,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:44,985 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:44,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:44,985 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:44,985 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:44,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:44,987 INFO L229 MonitoredProcess]: Starting monitored process 1805 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:44,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1805)] Waiting until timeout for monitored process [2024-12-05 21:45:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:45,186 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:45,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:45,233 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:45,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1805)] Ended with exit code 0 [2024-12-05 21:45:45,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:45,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:45,340 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:45,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:45,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:45,340 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:45,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:45,341 INFO L229 MonitoredProcess]: Starting monitored process 1806 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:45,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1806)] Waiting until timeout for monitored process [2024-12-05 21:45:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:45,539 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:45,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:45,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:45,684 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:45,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1806)] Ended with exit code 0 [2024-12-05 21:45:45,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:45,689 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:45,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:45,689 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:45,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:45,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:45,690 INFO L229 MonitoredProcess]: Starting monitored process 1807 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:45,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1807)] Waiting until timeout for monitored process [2024-12-05 21:45:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:45,898 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:45,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:45,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:45,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:46,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:46,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1807)] Ended with exit code 0 [2024-12-05 21:45:46,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:46,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:46,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:46,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:46,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:46,055 INFO L229 MonitoredProcess]: Starting monitored process 1808 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:46,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1808)] Waiting until timeout for monitored process [2024-12-05 21:45:46,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:46,255 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:46,299 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:46,299 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:46,398 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:46,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1808)] Ended with exit code 0 [2024-12-05 21:45:46,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:46,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:46,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:46,402 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:46,402 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:46,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:46,404 INFO L229 MonitoredProcess]: Starting monitored process 1809 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:46,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1809)] Waiting until timeout for monitored process [2024-12-05 21:45:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:46,612 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:46,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:46,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:46,748 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:46,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1809)] Ended with exit code 0 [2024-12-05 21:45:46,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:46,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:46,753 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:46,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:46,753 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:46,753 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:46,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:46,754 INFO L229 MonitoredProcess]: Starting monitored process 1810 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:46,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1810)] Waiting until timeout for monitored process [2024-12-05 21:45:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:46,959 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:47,019 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:47,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:47,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1810)] Ended with exit code 0 [2024-12-05 21:45:47,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:47,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:47,123 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:47,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:47,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:47,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:47,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:47,125 INFO L229 MonitoredProcess]: Starting monitored process 1811 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:47,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1811)] Waiting until timeout for monitored process [2024-12-05 21:45:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:47,331 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:47,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:47,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:47,511 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:47,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1811)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:47,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:47,516 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:47,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:47,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:47,516 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:47,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:47,517 INFO L229 MonitoredProcess]: Starting monitored process 1812 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:47,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1812)] Waiting until timeout for monitored process [2024-12-05 21:45:47,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:47,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:47,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:47,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:47,852 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:47,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1812)] Ended with exit code 0 [2024-12-05 21:45:47,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:47,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:47,857 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:47,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:47,857 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:47,857 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:47,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:47,859 INFO L229 MonitoredProcess]: Starting monitored process 1813 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:47,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1813)] Waiting until timeout for monitored process [2024-12-05 21:45:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:48,059 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:48,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:48,107 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:48,107 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:48,309 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:48,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1813)] Ended with exit code 0 [2024-12-05 21:45:48,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:48,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:48,313 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:48,313 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:48,313 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:48,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:48,314 INFO L229 MonitoredProcess]: Starting monitored process 1814 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:48,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1814)] Waiting until timeout for monitored process [2024-12-05 21:45:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:48,520 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:48,588 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:48,589 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:48,692 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:48,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1814)] Ended with exit code 0 [2024-12-05 21:45:48,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:48,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:48,696 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:48,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:48,696 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:48,696 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:48,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:48,697 INFO L229 MonitoredProcess]: Starting monitored process 1815 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:48,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1815)] Waiting until timeout for monitored process [2024-12-05 21:45:48,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:48,905 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:48,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:48,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:49,180 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:49,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1815)] Ended with exit code 0 [2024-12-05 21:45:49,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:49,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:49,185 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:49,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:49,185 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:49,185 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:49,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:49,186 INFO L229 MonitoredProcess]: Starting monitored process 1816 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:49,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1816)] Waiting until timeout for monitored process [2024-12-05 21:45:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:49,397 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:49,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:49,454 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:49,550 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1816)] Ended with exit code 0 [2024-12-05 21:45:49,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:49,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:49,552 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:49,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:49,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:49,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:49,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:49,553 INFO L229 MonitoredProcess]: Starting monitored process 1817 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:49,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1817)] Waiting until timeout for monitored process [2024-12-05 21:45:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:49,754 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:49,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:49,790 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:49,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:49,890 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:49,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1817)] Ended with exit code 0 [2024-12-05 21:45:49,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:49,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:49,895 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:49,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:49,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:49,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:49,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:49,896 INFO L229 MonitoredProcess]: Starting monitored process 1818 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:49,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1818)] Waiting until timeout for monitored process [2024-12-05 21:45:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:50,099 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:50,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:50,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:50,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:50,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1818)] Ended with exit code 0 [2024-12-05 21:45:50,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:50,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:50,236 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:50,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:50,236 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:50,236 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:50,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:50,237 INFO L229 MonitoredProcess]: Starting monitored process 1819 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:50,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1819)] Waiting until timeout for monitored process [2024-12-05 21:45:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:50,439 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:50,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:50,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:50,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1819)] Ended with exit code 0 [2024-12-05 21:45:50,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:50,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:50,584 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:50,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:50,584 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:50,584 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:50,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:50,585 INFO L229 MonitoredProcess]: Starting monitored process 1820 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:50,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1820)] Waiting until timeout for monitored process [2024-12-05 21:45:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:50,788 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:50,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:50,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:50,943 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:50,946 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1820)] Ended with exit code 0 [2024-12-05 21:45:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:50,948 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:50,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:50,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:50,948 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:50,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:50,949 INFO L229 MonitoredProcess]: Starting monitored process 1821 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:50,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1821)] Waiting until timeout for monitored process [2024-12-05 21:45:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:51,150 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:51,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:51,198 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:51,321 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:51,323 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1821)] Ended with exit code 0 [2024-12-05 21:45:51,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:51,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:51,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:51,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:51,326 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:51,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:51,327 INFO L229 MonitoredProcess]: Starting monitored process 1822 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:51,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1822)] Waiting until timeout for monitored process [2024-12-05 21:45:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:51,533 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:51,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:51,607 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:51,608 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:51,698 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:51,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1822)] Ended with exit code 0 [2024-12-05 21:45:51,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:51,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:51,703 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:51,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:51,703 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:51,703 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:51,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:51,704 INFO L229 MonitoredProcess]: Starting monitored process 1823 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:51,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1823)] Waiting until timeout for monitored process [2024-12-05 21:45:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:51,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:51,989 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:51,990 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:52,093 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:52,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1823)] Ended with exit code 0 [2024-12-05 21:45:52,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:52,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:52,098 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:52,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:52,098 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:52,098 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:52,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:52,099 INFO L229 MonitoredProcess]: Starting monitored process 1824 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:52,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1824)] Waiting until timeout for monitored process [2024-12-05 21:45:52,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:52,301 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:52,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:52,341 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:52,441 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:52,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1824)] Ended with exit code 0 [2024-12-05 21:45:52,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:52,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:52,445 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:52,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:52,445 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:52,445 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:52,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:52,446 INFO L229 MonitoredProcess]: Starting monitored process 1825 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:52,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1825)] Waiting until timeout for monitored process [2024-12-05 21:45:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:52,650 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:52,685 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:52,686 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:52,777 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:52,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1825)] Ended with exit code 0 [2024-12-05 21:45:52,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:52,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:52,782 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:52,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:52,782 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:52,782 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:52,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:52,783 INFO L229 MonitoredProcess]: Starting monitored process 1826 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:52,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1826)] Waiting until timeout for monitored process [2024-12-05 21:45:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:52,992 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:53,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:53,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:53,055 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:53,175 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:53,177 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1826)] Ended with exit code 0 [2024-12-05 21:45:53,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:53,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:53,179 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:53,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:53,179 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:53,179 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:53,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:53,181 INFO L229 MonitoredProcess]: Starting monitored process 1827 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:53,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1827)] Waiting until timeout for monitored process [2024-12-05 21:45:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:53,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:53,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:53,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:53,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:53,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1827)] Ended with exit code 0 [2024-12-05 21:45:53,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:53,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:53,561 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:53,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:53,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:53,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:53,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:53,563 INFO L229 MonitoredProcess]: Starting monitored process 1828 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:53,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1828)] Waiting until timeout for monitored process [2024-12-05 21:45:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:53,764 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:53,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:53,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:53,823 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:53,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:53,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1828)] Ended with exit code 0 [2024-12-05 21:45:53,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:53,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:53,922 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:53,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:53,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:53,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:53,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:53,923 INFO L229 MonitoredProcess]: Starting monitored process 1829 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:53,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1829)] Waiting until timeout for monitored process [2024-12-05 21:45:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:54,129 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:54,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:54,195 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:54,300 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:54,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1829)] Ended with exit code 0 [2024-12-05 21:45:54,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:54,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:54,304 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:54,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:54,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:54,304 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:54,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:54,306 INFO L229 MonitoredProcess]: Starting monitored process 1830 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:54,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1830)] Waiting until timeout for monitored process [2024-12-05 21:45:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:54,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:54,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:54,566 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:54,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1830)] Ended with exit code 0 [2024-12-05 21:45:54,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:54,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:54,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:54,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:54,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:54,673 INFO L229 MonitoredProcess]: Starting monitored process 1831 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:54,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1831)] Waiting until timeout for monitored process [2024-12-05 21:45:54,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:54,881 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:54,922 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:54,923 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:55,027 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:55,030 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1831)] Ended with exit code 0 [2024-12-05 21:45:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:55,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:55,032 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:55,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:55,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:55,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:55,033 INFO L229 MonitoredProcess]: Starting monitored process 1832 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:55,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1832)] Waiting until timeout for monitored process [2024-12-05 21:45:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:55,238 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:55,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:55,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:55,287 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:55,386 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:55,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1832)] Ended with exit code 0 [2024-12-05 21:45:55,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:55,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:55,391 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:55,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:55,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:55,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:55,392 INFO L229 MonitoredProcess]: Starting monitored process 1833 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:55,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1833)] Waiting until timeout for monitored process [2024-12-05 21:45:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:55,599 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:55,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:55,646 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:55,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1833)] Ended with exit code 0 [2024-12-05 21:45:55,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:55,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:55,752 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:55,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:55,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:55,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:55,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:55,753 INFO L229 MonitoredProcess]: Starting monitored process 1834 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:55,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1834)] Waiting until timeout for monitored process [2024-12-05 21:45:55,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:55,954 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:55,985 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:55,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:56,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1834)] Ended with exit code 0 [2024-12-05 21:45:56,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:56,087 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:56,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:56,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:56,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:56,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:56,088 INFO L229 MonitoredProcess]: Starting monitored process 1835 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:56,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1835)] Waiting until timeout for monitored process [2024-12-05 21:45:56,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:56,293 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:56,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:56,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:56,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1835)] Ended with exit code 0 [2024-12-05 21:45:56,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:56,438 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:56,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:56,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:56,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:56,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:56,439 INFO L229 MonitoredProcess]: Starting monitored process 1836 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:56,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1836)] Waiting until timeout for monitored process [2024-12-05 21:45:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:56,649 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:56,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:56,684 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:56,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:56,778 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:56,780 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1836)] Ended with exit code 0 [2024-12-05 21:45:56,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:56,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:56,782 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:56,783 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:56,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:56,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:56,784 INFO L229 MonitoredProcess]: Starting monitored process 1837 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:56,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1837)] Waiting until timeout for monitored process [2024-12-05 21:45:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:56,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:57,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:57,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:57,131 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:57,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1837)] Ended with exit code 0 [2024-12-05 21:45:57,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:57,135 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:57,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:57,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:57,135 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:57,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:57,136 INFO L229 MonitoredProcess]: Starting monitored process 1838 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:57,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1838)] Waiting until timeout for monitored process [2024-12-05 21:45:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:57,340 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:57,399 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:57,399 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:57,490 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:57,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1838)] Ended with exit code 0 [2024-12-05 21:45:57,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:57,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:57,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:57,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:57,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:57,496 INFO L229 MonitoredProcess]: Starting monitored process 1839 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:57,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1839)] Waiting until timeout for monitored process [2024-12-05 21:45:57,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:57,697 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:57,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:45:57,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:57,836 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:45:57,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1839)] Ended with exit code 0 [2024-12-05 21:45:57,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:57,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:57,841 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:57,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:57,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:57,842 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:57,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:57,843 INFO L229 MonitoredProcess]: Starting monitored process 1840 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:57,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1840)] Waiting until timeout for monitored process [2024-12-05 21:45:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:58,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:58,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:58,096 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:58,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:58,281 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:58,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1840)] Forceful destruction successful, exit code 0 [2024-12-05 21:45:58,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:58,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:58,286 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:58,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:58,286 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:58,286 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:58,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:58,287 INFO L229 MonitoredProcess]: Starting monitored process 1841 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:58,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1841)] Waiting until timeout for monitored process [2024-12-05 21:45:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:58,488 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:58,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:58,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:58,527 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:58,726 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:58,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1841)] Ended with exit code 0 [2024-12-05 21:45:58,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:58,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:58,731 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:58,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:58,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:58,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:58,733 INFO L229 MonitoredProcess]: Starting monitored process 1842 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:58,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1842)] Waiting until timeout for monitored process [2024-12-05 21:45:58,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:58,941 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:58,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:58,993 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:59,168 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:59,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1842)] Ended with exit code 0 [2024-12-05 21:45:59,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:59,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:59,173 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:59,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:59,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:59,173 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:59,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:59,174 INFO L229 MonitoredProcess]: Starting monitored process 1843 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:59,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1843)] Waiting until timeout for monitored process [2024-12-05 21:45:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:59,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:59,413 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:59,414 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:45:59,592 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:45:59,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1843)] Ended with exit code 0 [2024-12-05 21:45:59,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:45:59,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:45:59,596 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:45:59,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:45:59,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:45:59,596 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:45:59,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:45:59,598 INFO L229 MonitoredProcess]: Starting monitored process 1844 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:45:59,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1844)] Waiting until timeout for monitored process [2024-12-05 21:45:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:59,808 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:45:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:45:59,849 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:45:59,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:00,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1844)] Ended with exit code 0 [2024-12-05 21:46:00,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:00,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:00,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:00,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:00,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:00,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:00,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:00,043 INFO L229 MonitoredProcess]: Starting monitored process 1845 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:00,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1845)] Waiting until timeout for monitored process [2024-12-05 21:46:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:00,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:00,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:00,340 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:00,434 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:00,436 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1845)] Ended with exit code 0 [2024-12-05 21:46:00,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:00,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:00,438 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:00,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:00,438 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:00,438 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:00,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:00,439 INFO L229 MonitoredProcess]: Starting monitored process 1846 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:00,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1846)] Waiting until timeout for monitored process [2024-12-05 21:46:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:00,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:00,679 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:00,679 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:00,774 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:00,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1846)] Ended with exit code 0 [2024-12-05 21:46:00,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:00,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:00,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:00,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:00,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:00,780 INFO L229 MonitoredProcess]: Starting monitored process 1847 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:00,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1847)] Waiting until timeout for monitored process [2024-12-05 21:46:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:00,987 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:01,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:01,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:01,136 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:01,138 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1847)] Ended with exit code 0 [2024-12-05 21:46:01,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:01,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:01,140 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:01,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:01,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:01,140 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:01,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:01,142 INFO L229 MonitoredProcess]: Starting monitored process 1848 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:01,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1848)] Waiting until timeout for monitored process [2024-12-05 21:46:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:01,343 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:01,374 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:01,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:01,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1848)] Ended with exit code 0 [2024-12-05 21:46:01,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:01,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:01,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:01,475 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:01,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:01,477 INFO L229 MonitoredProcess]: Starting monitored process 1849 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:01,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1849)] Waiting until timeout for monitored process [2024-12-05 21:46:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:01,677 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:01,712 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:01,712 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:01,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1849)] Ended with exit code 0 [2024-12-05 21:46:01,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:01,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:01,920 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:01,920 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:01,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:01,921 INFO L229 MonitoredProcess]: Starting monitored process 1850 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:01,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1850)] Waiting until timeout for monitored process [2024-12-05 21:46:02,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:02,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:02,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:02,181 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:02,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:02,279 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:02,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1850)] Ended with exit code 0 [2024-12-05 21:46:02,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:02,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:02,284 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:02,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:02,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:02,284 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:02,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:02,285 INFO L229 MonitoredProcess]: Starting monitored process 1851 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:02,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1851)] Waiting until timeout for monitored process [2024-12-05 21:46:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:02,493 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:02,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:02,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:02,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:02,652 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:02,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1851)] Ended with exit code 0 [2024-12-05 21:46:02,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:02,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:02,657 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:02,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:02,657 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:02,657 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:02,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:02,658 INFO L229 MonitoredProcess]: Starting monitored process 1852 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:02,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1852)] Waiting until timeout for monitored process [2024-12-05 21:46:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:02,869 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:02,926 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:02,926 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:03,024 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:03,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1852)] Ended with exit code 0 [2024-12-05 21:46:03,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:03,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:03,029 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:03,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:03,029 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:03,029 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:03,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:03,030 INFO L229 MonitoredProcess]: Starting monitored process 1853 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:03,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1853)] Waiting until timeout for monitored process [2024-12-05 21:46:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:03,234 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:03,358 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:03,359 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:03,463 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:03,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1853)] Ended with exit code 0 [2024-12-05 21:46:03,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:03,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:03,467 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:03,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:03,467 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:03,467 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:03,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:03,468 INFO L229 MonitoredProcess]: Starting monitored process 1854 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:03,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1854)] Waiting until timeout for monitored process [2024-12-05 21:46:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:03,672 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:03,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:03,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:03,815 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:03,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1854)] Forceful destruction successful, exit code 0 [2024-12-05 21:46:03,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:03,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:03,820 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:03,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:03,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:03,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:03,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:03,821 INFO L229 MonitoredProcess]: Starting monitored process 1855 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:03,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1855)] Waiting until timeout for monitored process [2024-12-05 21:46:04,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:04,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:04,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:04,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:04,075 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:04,169 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:04,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1855)] Ended with exit code 0 [2024-12-05 21:46:04,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:04,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:04,173 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:04,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:04,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:04,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:04,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:04,175 INFO L229 MonitoredProcess]: Starting monitored process 1856 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:04,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1856)] Waiting until timeout for monitored process [2024-12-05 21:46:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:04,377 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:04,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:04,448 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:04,566 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:04,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1856)] Ended with exit code 0 [2024-12-05 21:46:04,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:04,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:04,570 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:04,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:04,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:04,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:04,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:04,571 INFO L229 MonitoredProcess]: Starting monitored process 1857 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:04,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1857)] Waiting until timeout for monitored process [2024-12-05 21:46:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:04,778 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:04,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:04,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:05,015 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:05,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1857)] Ended with exit code 0 [2024-12-05 21:46:05,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:05,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:05,020 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:05,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:05,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:05,020 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:05,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:05,021 INFO L229 MonitoredProcess]: Starting monitored process 1858 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:05,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1858)] Waiting until timeout for monitored process [2024-12-05 21:46:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:05,230 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:05,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:05,283 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:05,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1858)] Ended with exit code 0 [2024-12-05 21:46:05,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:05,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:05,386 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:05,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:05,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:05,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:05,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:05,387 INFO L229 MonitoredProcess]: Starting monitored process 1859 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:05,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1859)] Waiting until timeout for monitored process [2024-12-05 21:46:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:05,591 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:05,637 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:05,637 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:05,737 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:05,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1859)] Ended with exit code 0 [2024-12-05 21:46:05,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:05,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:05,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:05,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:05,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:05,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:05,742 INFO L229 MonitoredProcess]: Starting monitored process 1860 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:05,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1860)] Waiting until timeout for monitored process [2024-12-05 21:46:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:05,946 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:05,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:05,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:06,098 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:06,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1860)] Ended with exit code 0 [2024-12-05 21:46:06,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:06,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:06,103 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:06,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:06,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:06,103 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:06,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:06,104 INFO L229 MonitoredProcess]: Starting monitored process 1861 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:06,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1861)] Waiting until timeout for monitored process [2024-12-05 21:46:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:06,307 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:06,360 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:06,360 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:06,466 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:06,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1861)] Ended with exit code 0 [2024-12-05 21:46:06,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:06,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:06,471 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:06,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:06,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:06,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:06,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:06,472 INFO L229 MonitoredProcess]: Starting monitored process 1862 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:06,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1862)] Waiting until timeout for monitored process [2024-12-05 21:46:06,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:06,680 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:06,715 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:06,715 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:06,814 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:06,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1862)] Forceful destruction successful, exit code 0 [2024-12-05 21:46:06,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:06,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:06,819 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:06,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:06,819 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:06,819 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:06,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:06,820 INFO L229 MonitoredProcess]: Starting monitored process 1863 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:06,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1863)] Waiting until timeout for monitored process [2024-12-05 21:46:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:07,027 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:07,070 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:07,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:07,176 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:07,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1863)] Ended with exit code 0 [2024-12-05 21:46:07,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:07,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:07,180 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:07,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:07,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:07,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:07,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:07,181 INFO L229 MonitoredProcess]: Starting monitored process 1864 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:07,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1864)] Waiting until timeout for monitored process [2024-12-05 21:46:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:07,381 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:07,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:07,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:07,470 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:07,567 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:07,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1864)] Ended with exit code 0 [2024-12-05 21:46:07,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:07,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:07,571 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:07,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:07,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:07,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:07,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:07,572 INFO L229 MonitoredProcess]: Starting monitored process 1865 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:07,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1865)] Waiting until timeout for monitored process [2024-12-05 21:46:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:07,779 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:07,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:07,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:07,934 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:07,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1865)] Ended with exit code 0 [2024-12-05 21:46:07,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:07,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:07,939 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:07,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:07,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:07,939 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:07,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:07,940 INFO L229 MonitoredProcess]: Starting monitored process 1866 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:07,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1866)] Waiting until timeout for monitored process [2024-12-05 21:46:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:08,142 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:08,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:08,186 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:08,284 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:08,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1866)] Ended with exit code 0 [2024-12-05 21:46:08,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:08,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:08,288 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:08,288 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:08,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:08,290 INFO L229 MonitoredProcess]: Starting monitored process 1867 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:08,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1867)] Waiting until timeout for monitored process [2024-12-05 21:46:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:08,498 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:08,545 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:08,546 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:08,721 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:08,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1867)] Ended with exit code 0 [2024-12-05 21:46:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:08,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:08,725 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:08,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:08,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:08,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:08,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:08,727 INFO L229 MonitoredProcess]: Starting monitored process 1868 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:08,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1868)] Waiting until timeout for monitored process [2024-12-05 21:46:08,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:08,928 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:08,975 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:08,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:09,071 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:09,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1868)] Ended with exit code 0 [2024-12-05 21:46:09,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:09,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:09,078 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:09,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:09,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:09,078 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:09,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:09,079 INFO L229 MonitoredProcess]: Starting monitored process 1869 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:09,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1869)] Waiting until timeout for monitored process [2024-12-05 21:46:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:09,287 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:09,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:09,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:09,449 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:09,452 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1869)] Ended with exit code 0 [2024-12-05 21:46:09,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:09,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:09,454 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:09,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:09,454 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:09,454 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:09,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:09,455 INFO L229 MonitoredProcess]: Starting monitored process 1870 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:09,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1870)] Waiting until timeout for monitored process [2024-12-05 21:46:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:09,659 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:09,714 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:09,714 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:09,810 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:09,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1870)] Ended with exit code 0 [2024-12-05 21:46:09,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:09,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:09,815 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:09,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:09,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:09,815 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:09,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:09,816 INFO L229 MonitoredProcess]: Starting monitored process 1871 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:09,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1871)] Waiting until timeout for monitored process [2024-12-05 21:46:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:10,024 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:10,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:10,063 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:10,161 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:10,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1871)] Ended with exit code 0 [2024-12-05 21:46:10,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:10,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:10,166 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:10,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:10,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:10,166 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:10,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:10,167 INFO L229 MonitoredProcess]: Starting monitored process 1872 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:10,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1872)] Waiting until timeout for monitored process [2024-12-05 21:46:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:10,368 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:10,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:10,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:10,507 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:10,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1872)] Ended with exit code 0 [2024-12-05 21:46:10,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:10,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:10,511 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:10,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:10,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:10,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:10,512 INFO L229 MonitoredProcess]: Starting monitored process 1873 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:10,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1873)] Waiting until timeout for monitored process [2024-12-05 21:46:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:10,715 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:10,761 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:10,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:10,858 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:10,861 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1873)] Ended with exit code 0 [2024-12-05 21:46:10,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:10,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:10,863 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:10,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:10,863 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:10,863 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:10,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:10,864 INFO L229 MonitoredProcess]: Starting monitored process 1874 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:10,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1874)] Waiting until timeout for monitored process [2024-12-05 21:46:11,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:11,067 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:11,106 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:11,106 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:11,219 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:11,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1874)] Ended with exit code 0 [2024-12-05 21:46:11,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:11,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:11,223 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:11,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:11,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:11,223 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:11,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:11,225 INFO L229 MonitoredProcess]: Starting monitored process 1875 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:11,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1875)] Waiting until timeout for monitored process [2024-12-05 21:46:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:11,427 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:11,466 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:11,467 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:11,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1875)] Ended with exit code 0 [2024-12-05 21:46:11,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:11,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:11,564 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:11,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:11,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:11,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:11,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:11,565 INFO L229 MonitoredProcess]: Starting monitored process 1876 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:11,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1876)] Waiting until timeout for monitored process [2024-12-05 21:46:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:11,769 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:11,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:11,812 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:11,924 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:11,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1876)] Ended with exit code 0 [2024-12-05 21:46:11,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:11,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:11,928 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:11,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:11,928 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:11,929 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:11,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:11,930 INFO L229 MonitoredProcess]: Starting monitored process 1877 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:11,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1877)] Waiting until timeout for monitored process [2024-12-05 21:46:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:12,136 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:12,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:12,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:12,364 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:12,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1877)] Forceful destruction successful, exit code 0 [2024-12-05 21:46:12,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:12,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:12,368 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:12,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:12,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:12,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:12,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:12,370 INFO L229 MonitoredProcess]: Starting monitored process 1878 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:12,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1878)] Waiting until timeout for monitored process [2024-12-05 21:46:12,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:12,573 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:12,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:12,618 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:12,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:12,806 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:12,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1878)] Ended with exit code 0 [2024-12-05 21:46:12,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:12,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:12,811 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:12,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:12,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:12,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:12,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:12,812 INFO L229 MonitoredProcess]: Starting monitored process 1879 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:12,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1879)] Waiting until timeout for monitored process [2024-12-05 21:46:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:13,016 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:13,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:13,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:13,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1879)] Ended with exit code 0 [2024-12-05 21:46:13,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:13,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:13,161 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:13,161 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:13,161 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:13,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:13,163 INFO L229 MonitoredProcess]: Starting monitored process 1880 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:13,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1880)] Waiting until timeout for monitored process [2024-12-05 21:46:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:13,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:13,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:13,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:13,497 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:13,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1880)] Ended with exit code 0 [2024-12-05 21:46:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:13,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:13,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:13,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:13,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:13,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:13,503 INFO L229 MonitoredProcess]: Starting monitored process 1881 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:13,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1881)] Waiting until timeout for monitored process [2024-12-05 21:46:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:13,706 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:13,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:13,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:13,866 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:13,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1881)] Ended with exit code 0 [2024-12-05 21:46:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:13,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:13,871 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:13,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:13,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:13,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:13,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:13,872 INFO L229 MonitoredProcess]: Starting monitored process 1882 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:13,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1882)] Waiting until timeout for monitored process [2024-12-05 21:46:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:14,080 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:14,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:14,152 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:14,275 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:14,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1882)] Ended with exit code 0 [2024-12-05 21:46:14,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:14,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:14,280 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:14,280 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:14,280 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:14,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:14,281 INFO L229 MonitoredProcess]: Starting monitored process 1883 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:14,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1883)] Waiting until timeout for monitored process [2024-12-05 21:46:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:14,497 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:14,539 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:14,539 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:14,652 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1883)] Ended with exit code 0 [2024-12-05 21:46:14,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:14,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:14,654 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:14,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:14,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:14,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:14,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:14,655 INFO L229 MonitoredProcess]: Starting monitored process 1884 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:14,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1884)] Waiting until timeout for monitored process [2024-12-05 21:46:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:14,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:14,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:14,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:14,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:15,030 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:15,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1884)] Ended with exit code 0 [2024-12-05 21:46:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:15,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:15,034 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:15,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:15,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:15,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:15,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:15,035 INFO L229 MonitoredProcess]: Starting monitored process 1885 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:15,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1885)] Waiting until timeout for monitored process [2024-12-05 21:46:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:15,243 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:15,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:15,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:15,506 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:15,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1885)] Ended with exit code 0 [2024-12-05 21:46:15,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:15,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:15,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:15,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:15,511 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:15,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:15,512 INFO L229 MonitoredProcess]: Starting monitored process 1886 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:15,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1886)] Waiting until timeout for monitored process [2024-12-05 21:46:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:15,716 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:15,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:15,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:15,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1886)] Ended with exit code 0 [2024-12-05 21:46:15,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:15,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:15,849 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:15,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:15,849 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:15,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:15,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:15,851 INFO L229 MonitoredProcess]: Starting monitored process 1887 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:15,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1887)] Waiting until timeout for monitored process [2024-12-05 21:46:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:16,051 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:16,098 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:16,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:16,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1887)] Ended with exit code 0 [2024-12-05 21:46:16,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:16,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:16,201 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:16,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:16,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:16,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:16,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:16,202 INFO L229 MonitoredProcess]: Starting monitored process 1888 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:16,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1888)] Waiting until timeout for monitored process [2024-12-05 21:46:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:16,401 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:16,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:16,451 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:16,558 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:16,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1888)] Ended with exit code 0 [2024-12-05 21:46:16,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:16,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:16,562 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:16,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:16,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:16,562 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:16,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:16,563 INFO L229 MonitoredProcess]: Starting monitored process 1889 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:16,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1889)] Waiting until timeout for monitored process [2024-12-05 21:46:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:16,767 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:16,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:16,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:16,912 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:16,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1889)] Ended with exit code 0 [2024-12-05 21:46:16,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:16,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:16,916 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:16,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:16,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:16,916 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:16,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:16,917 INFO L229 MonitoredProcess]: Starting monitored process 1890 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:16,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1890)] Waiting until timeout for monitored process [2024-12-05 21:46:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:17,123 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:17,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:17,157 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:17,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:17,251 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:17,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1890)] Ended with exit code 0 [2024-12-05 21:46:17,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:17,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:17,256 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:17,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:17,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:17,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:17,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:17,257 INFO L229 MonitoredProcess]: Starting monitored process 1891 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:17,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1891)] Waiting until timeout for monitored process [2024-12-05 21:46:17,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:17,467 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:17,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:17,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:17,517 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:17,618 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:17,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1891)] Ended with exit code 0 [2024-12-05 21:46:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:17,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:17,623 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:17,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:17,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:17,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:17,624 INFO L229 MonitoredProcess]: Starting monitored process 1892 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:17,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1892)] Waiting until timeout for monitored process [2024-12-05 21:46:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:17,833 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:17,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:17,875 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:17,975 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:17,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1892)] Forceful destruction successful, exit code 0 [2024-12-05 21:46:17,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:17,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:17,980 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:17,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:17,980 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:17,980 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:17,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:17,981 INFO L229 MonitoredProcess]: Starting monitored process 1893 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:17,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1893)] Waiting until timeout for monitored process [2024-12-05 21:46:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:18,185 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:18,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:18,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:18,326 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:18,329 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1893)] Ended with exit code 0 [2024-12-05 21:46:18,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:18,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:18,331 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:18,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:18,331 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:18,331 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:18,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:18,332 INFO L229 MonitoredProcess]: Starting monitored process 1894 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:18,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1894)] Waiting until timeout for monitored process [2024-12-05 21:46:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:18,536 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:18,566 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:18,567 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:18,672 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:18,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1894)] Ended with exit code 0 [2024-12-05 21:46:18,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:18,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:18,676 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:18,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:18,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:18,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:18,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:18,678 INFO L229 MonitoredProcess]: Starting monitored process 1895 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:18,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1895)] Waiting until timeout for monitored process [2024-12-05 21:46:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:18,890 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:18,927 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:18,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:19,038 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:19,040 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1895)] Ended with exit code 0 [2024-12-05 21:46:19,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:19,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:19,042 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:19,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:19,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:19,042 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:19,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:19,044 INFO L229 MonitoredProcess]: Starting monitored process 1896 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:19,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1896)] Waiting until timeout for monitored process [2024-12-05 21:46:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:19,252 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:19,289 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:19,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:19,489 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:19,492 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1896)] Ended with exit code 0 [2024-12-05 21:46:19,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:19,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:19,494 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:19,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:19,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:19,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:19,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:19,495 INFO L229 MonitoredProcess]: Starting monitored process 1897 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:19,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1897)] Waiting until timeout for monitored process [2024-12-05 21:46:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:19,698 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:19,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:19,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:19,833 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:19,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1897)] Ended with exit code 0 [2024-12-05 21:46:19,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:19,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:19,838 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:19,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:19,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:19,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:19,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:19,839 INFO L229 MonitoredProcess]: Starting monitored process 1898 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:19,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1898)] Waiting until timeout for monitored process [2024-12-05 21:46:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:20,047 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:20,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:20,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:20,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1898)] Ended with exit code 0 [2024-12-05 21:46:20,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:20,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:20,220 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:20,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:20,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:20,220 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:20,220 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:20,222 INFO L229 MonitoredProcess]: Starting monitored process 1899 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:20,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1899)] Waiting until timeout for monitored process [2024-12-05 21:46:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:20,425 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:20,487 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:20,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:20,689 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:20,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1899)] Ended with exit code 0 [2024-12-05 21:46:20,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:20,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:20,694 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:20,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:20,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:20,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:20,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:20,695 INFO L229 MonitoredProcess]: Starting monitored process 1900 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:20,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1900)] Waiting until timeout for monitored process [2024-12-05 21:46:20,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:20,903 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:20,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:20,932 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:20,933 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:21,033 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:21,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1900)] Ended with exit code 0 [2024-12-05 21:46:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:21,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:21,038 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:21,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:21,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:21,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:21,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:21,039 INFO L229 MonitoredProcess]: Starting monitored process 1901 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:21,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1901)] Waiting until timeout for monitored process [2024-12-05 21:46:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:21,246 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:21,312 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:21,312 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:21,413 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:21,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1901)] Ended with exit code 0 [2024-12-05 21:46:21,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:21,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:21,417 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:21,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:21,418 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:21,418 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:21,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:21,419 INFO L229 MonitoredProcess]: Starting monitored process 1902 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:21,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1902)] Waiting until timeout for monitored process [2024-12-05 21:46:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:21,622 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:21,681 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:21,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:21,879 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:21,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1902)] Ended with exit code 0 [2024-12-05 21:46:21,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:21,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:21,884 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:21,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:21,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:21,884 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:21,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:21,885 INFO L229 MonitoredProcess]: Starting monitored process 1903 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:21,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1903)] Waiting until timeout for monitored process [2024-12-05 21:46:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:22,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:22,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:22,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:22,325 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:22,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1903)] Ended with exit code 0 [2024-12-05 21:46:22,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:22,330 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:22,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:22,330 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:22,330 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:22,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:22,331 INFO L229 MonitoredProcess]: Starting monitored process 1904 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:22,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1904)] Waiting until timeout for monitored process [2024-12-05 21:46:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:22,543 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:22,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:22,615 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:22,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1904)] Ended with exit code 0 [2024-12-05 21:46:22,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:22,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:22,809 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:22,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:22,809 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:22,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:22,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:22,810 INFO L229 MonitoredProcess]: Starting monitored process 1905 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:22,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1905)] Waiting until timeout for monitored process [2024-12-05 21:46:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:23,013 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:23,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:23,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:23,141 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:23,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1905)] Ended with exit code 0 [2024-12-05 21:46:23,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:23,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:23,145 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:23,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:23,145 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:23,145 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:23,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:23,146 INFO L229 MonitoredProcess]: Starting monitored process 1906 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:23,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1906)] Waiting until timeout for monitored process [2024-12-05 21:46:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:23,358 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:23,393 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:23,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:23,486 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:23,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1906)] Ended with exit code 0 [2024-12-05 21:46:23,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:23,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:23,490 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:23,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:23,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:23,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:23,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:23,492 INFO L229 MonitoredProcess]: Starting monitored process 1907 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:23,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1907)] Waiting until timeout for monitored process [2024-12-05 21:46:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:23,694 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:23,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:23,748 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:23,849 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:23,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1907)] Ended with exit code 0 [2024-12-05 21:46:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:23,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:23,854 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:23,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:23,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:23,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:23,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:23,855 INFO L229 MonitoredProcess]: Starting monitored process 1908 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:23,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1908)] Waiting until timeout for monitored process [2024-12-05 21:46:24,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:24,063 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:24,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:24,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:24,217 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:24,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1908)] Ended with exit code 0 [2024-12-05 21:46:24,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:24,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:24,222 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:24,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:24,222 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:24,222 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:24,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:24,223 INFO L229 MonitoredProcess]: Starting monitored process 1909 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:24,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1909)] Waiting until timeout for monitored process [2024-12-05 21:46:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:24,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:24,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:24,467 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:24,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:24,570 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:24,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1909)] Ended with exit code 0 [2024-12-05 21:46:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:24,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:24,575 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:24,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:24,575 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:24,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:24,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:24,576 INFO L229 MonitoredProcess]: Starting monitored process 1910 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:24,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1910)] Waiting until timeout for monitored process [2024-12-05 21:46:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:24,783 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:24,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:24,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:24,927 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:24,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1910)] Ended with exit code 0 [2024-12-05 21:46:24,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:24,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:24,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:24,932 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:24,932 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:24,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:24,933 INFO L229 MonitoredProcess]: Starting monitored process 1911 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:24,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1911)] Waiting until timeout for monitored process [2024-12-05 21:46:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:25,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:25,197 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:25,197 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:25,305 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:25,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1911)] Ended with exit code 0 [2024-12-05 21:46:25,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:25,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:25,310 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:25,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:25,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:25,310 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:25,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:25,311 INFO L229 MonitoredProcess]: Starting monitored process 1912 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:25,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1912)] Waiting until timeout for monitored process [2024-12-05 21:46:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:25,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:25,552 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:25,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:25,751 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:25,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1912)] Ended with exit code 0 [2024-12-05 21:46:25,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:25,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:25,756 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:25,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:25,756 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:25,756 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:25,756 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:25,757 INFO L229 MonitoredProcess]: Starting monitored process 1913 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:25,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1913)] Waiting until timeout for monitored process [2024-12-05 21:46:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:25,968 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:26,041 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:26,042 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:26,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1913)] Ended with exit code 0 [2024-12-05 21:46:26,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:26,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:26,167 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:26,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:26,167 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:26,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:26,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:26,168 INFO L229 MonitoredProcess]: Starting monitored process 1914 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:26,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1914)] Waiting until timeout for monitored process [2024-12-05 21:46:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:26,375 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:26,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:26,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:26,419 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:26,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1914)] Ended with exit code 0 [2024-12-05 21:46:26,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:26,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:26,526 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:26,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:26,526 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:26,527 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:26,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:26,528 INFO L229 MonitoredProcess]: Starting monitored process 1915 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:26,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1915)] Waiting until timeout for monitored process [2024-12-05 21:46:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:26,737 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:26,780 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:26,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:26,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1915)] Ended with exit code 0 [2024-12-05 21:46:26,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:26,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:26,886 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:26,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:26,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:26,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:26,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:26,887 INFO L229 MonitoredProcess]: Starting monitored process 1916 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:26,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1916)] Waiting until timeout for monitored process [2024-12-05 21:46:27,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:27,096 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:27,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:27,146 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:27,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:27,239 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:27,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1916)] Ended with exit code 0 [2024-12-05 21:46:27,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:27,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:27,244 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:27,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:27,244 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:27,244 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:27,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:27,245 INFO L229 MonitoredProcess]: Starting monitored process 1917 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:27,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1917)] Waiting until timeout for monitored process [2024-12-05 21:46:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:27,455 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:27,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:27,509 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:27,610 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:27,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1917)] Ended with exit code 0 [2024-12-05 21:46:27,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:27,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:27,615 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:27,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:27,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:27,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:27,616 INFO L229 MonitoredProcess]: Starting monitored process 1918 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:27,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1918)] Waiting until timeout for monitored process [2024-12-05 21:46:27,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:27,817 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:27,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:27,845 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:27,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1918)] Forceful destruction successful, exit code 0 [2024-12-05 21:46:27,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:27,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:27,953 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:27,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:27,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:27,954 INFO L229 MonitoredProcess]: Starting monitored process 1919 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:27,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1919)] Waiting until timeout for monitored process [2024-12-05 21:46:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:28,154 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:28,187 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:28,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:28,289 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:28,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1919)] Ended with exit code 0 [2024-12-05 21:46:28,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:28,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:28,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:28,293 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:28,293 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:28,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:28,295 INFO L229 MonitoredProcess]: Starting monitored process 1920 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:28,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1920)] Waiting until timeout for monitored process [2024-12-05 21:46:28,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:28,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:28,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:28,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:28,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:28,624 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:28,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1920)] Ended with exit code 0 [2024-12-05 21:46:28,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:28,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:28,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:28,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:28,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:28,629 INFO L229 MonitoredProcess]: Starting monitored process 1921 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:28,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1921)] Waiting until timeout for monitored process [2024-12-05 21:46:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:28,840 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:28,872 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:28,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:28,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:28,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1921)] Ended with exit code 0 [2024-12-05 21:46:28,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:28,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:28,996 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:28,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:28,996 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:28,996 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:28,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:28,997 INFO L229 MonitoredProcess]: Starting monitored process 1922 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:28,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1922)] Waiting until timeout for monitored process [2024-12-05 21:46:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:29,208 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:29,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:29,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:29,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1922)] Ended with exit code 0 [2024-12-05 21:46:29,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:29,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:29,369 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:29,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:29,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:29,369 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:29,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:29,370 INFO L229 MonitoredProcess]: Starting monitored process 1923 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:29,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1923)] Waiting until timeout for monitored process [2024-12-05 21:46:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:29,574 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:29,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:29,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:29,719 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:29,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1923)] Ended with exit code 0 [2024-12-05 21:46:29,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:29,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:29,724 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:29,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:29,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:29,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:29,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:29,725 INFO L229 MonitoredProcess]: Starting monitored process 1924 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:29,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1924)] Waiting until timeout for monitored process [2024-12-05 21:46:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:29,932 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:29,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:29,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:29,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:30,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1924)] Ended with exit code 0 [2024-12-05 21:46:30,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:30,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:30,155 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:30,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:30,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:30,155 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:30,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:30,156 INFO L229 MonitoredProcess]: Starting monitored process 1925 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:30,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1925)] Waiting until timeout for monitored process [2024-12-05 21:46:30,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:30,365 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:30,431 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:30,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:30,642 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:30,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1925)] Ended with exit code 0 [2024-12-05 21:46:30,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:30,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:30,647 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:30,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:30,647 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:30,647 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:30,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:30,648 INFO L229 MonitoredProcess]: Starting monitored process 1926 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:30,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1926)] Waiting until timeout for monitored process [2024-12-05 21:46:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:30,857 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:30,910 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:30,910 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:31,006 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:31,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1926)] Ended with exit code 0 [2024-12-05 21:46:31,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:31,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:31,011 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:31,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:31,011 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:31,011 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:31,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:31,012 INFO L229 MonitoredProcess]: Starting monitored process 1927 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:31,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1927)] Waiting until timeout for monitored process [2024-12-05 21:46:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:31,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:31,269 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:31,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:31,363 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:31,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1927)] Ended with exit code 0 [2024-12-05 21:46:31,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:31,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:31,368 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:31,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:31,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:31,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:31,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:31,369 INFO L229 MonitoredProcess]: Starting monitored process 1928 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:31,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1928)] Waiting until timeout for monitored process [2024-12-05 21:46:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:31,569 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:31,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:31,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:31,800 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:31,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1928)] Ended with exit code 0 [2024-12-05 21:46:31,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:31,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:31,805 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:31,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:31,805 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:31,805 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:31,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:31,806 INFO L229 MonitoredProcess]: Starting monitored process 1929 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:31,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1929)] Waiting until timeout for monitored process [2024-12-05 21:46:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:32,014 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:32,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:32,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:32,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:32,250 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:32,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1929)] Ended with exit code 0 [2024-12-05 21:46:32,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:32,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:32,255 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:32,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:32,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:32,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:32,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:32,256 INFO L229 MonitoredProcess]: Starting monitored process 1930 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:32,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1930)] Waiting until timeout for monitored process [2024-12-05 21:46:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:32,465 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:32,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:32,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:32,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1930)] Ended with exit code 0 [2024-12-05 21:46:32,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:32,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:32,632 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:32,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:32,632 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:32,632 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:32,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:32,634 INFO L229 MonitoredProcess]: Starting monitored process 1931 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:32,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1931)] Waiting until timeout for monitored process [2024-12-05 21:46:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:32,844 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:32,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:32,906 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:33,014 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:33,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1931)] Ended with exit code 0 [2024-12-05 21:46:33,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:33,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:33,019 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:33,019 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:33,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:33,020 INFO L229 MonitoredProcess]: Starting monitored process 1932 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:33,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1932)] Waiting until timeout for monitored process [2024-12-05 21:46:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:33,224 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:33,264 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:33,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:33,363 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:33,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1932)] Ended with exit code 0 [2024-12-05 21:46:33,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:33,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:33,368 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:33,368 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:33,368 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:33,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:33,369 INFO L229 MonitoredProcess]: Starting monitored process 1933 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:33,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1933)] Waiting until timeout for monitored process [2024-12-05 21:46:33,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:33,572 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:33,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:33,615 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:33,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:33,714 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:33,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1933)] Ended with exit code 0 [2024-12-05 21:46:33,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:33,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:33,719 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:33,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:33,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:33,719 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:33,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:33,720 INFO L229 MonitoredProcess]: Starting monitored process 1934 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:33,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1934)] Waiting until timeout for monitored process [2024-12-05 21:46:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:33,920 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:33,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:33,953 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:33,953 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:34,049 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:34,051 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1934)] Ended with exit code 0 [2024-12-05 21:46:34,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:34,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:34,054 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:34,054 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:34,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:34,055 INFO L229 MonitoredProcess]: Starting monitored process 1935 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:34,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1935)] Waiting until timeout for monitored process [2024-12-05 21:46:34,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:34,260 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:34,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:34,300 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:34,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:34,399 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:34,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1935)] Ended with exit code 0 [2024-12-05 21:46:34,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:34,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:34,404 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:34,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:34,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:34,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:34,405 INFO L229 MonitoredProcess]: Starting monitored process 1936 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:34,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1936)] Waiting until timeout for monitored process [2024-12-05 21:46:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:34,616 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:34,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:34,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:34,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1936)] Ended with exit code 0 [2024-12-05 21:46:34,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:34,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:34,749 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:34,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:34,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:34,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:34,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:34,750 INFO L229 MonitoredProcess]: Starting monitored process 1937 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:34,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1937)] Waiting until timeout for monitored process [2024-12-05 21:46:34,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:34,955 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:35,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:35,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:35,123 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:35,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1937)] Forceful destruction successful, exit code 0 [2024-12-05 21:46:35,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:35,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:35,128 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:35,128 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:35,128 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:35,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:35,129 INFO L229 MonitoredProcess]: Starting monitored process 1938 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:35,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1938)] Waiting until timeout for monitored process [2024-12-05 21:46:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:35,332 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:35,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:35,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:35,478 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:35,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1938)] Ended with exit code 0 [2024-12-05 21:46:35,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:35,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:35,482 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:35,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:35,483 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:35,483 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:35,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:35,484 INFO L229 MonitoredProcess]: Starting monitored process 1939 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:35,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1939)] Waiting until timeout for monitored process [2024-12-05 21:46:35,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:35,692 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:35,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:35,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:35,856 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:35,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1939)] Ended with exit code 0 [2024-12-05 21:46:35,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:35,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:35,861 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:35,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:35,861 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:35,861 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:35,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:35,862 INFO L229 MonitoredProcess]: Starting monitored process 1940 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:35,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1940)] Waiting until timeout for monitored process [2024-12-05 21:46:36,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:36,065 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:36,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:36,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:36,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:36,226 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1940)] Ended with exit code 0 [2024-12-05 21:46:36,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:36,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:36,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:36,228 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:36,229 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:36,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:36,230 INFO L229 MonitoredProcess]: Starting monitored process 1941 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:36,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1941)] Waiting until timeout for monitored process [2024-12-05 21:46:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:36,436 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:36,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:36,472 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:36,472 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:36,569 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:36,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1941)] Ended with exit code 0 [2024-12-05 21:46:36,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:36,573 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:36,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:36,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:36,573 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:36,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:36,574 INFO L229 MonitoredProcess]: Starting monitored process 1942 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:36,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1942)] Waiting until timeout for monitored process [2024-12-05 21:46:36,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:36,781 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:36,825 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:36,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:36,920 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1942)] Ended with exit code 0 [2024-12-05 21:46:36,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:36,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:36,922 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:36,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:36,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:36,922 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:36,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:36,923 INFO L229 MonitoredProcess]: Starting monitored process 1943 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:36,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1943)] Waiting until timeout for monitored process [2024-12-05 21:46:37,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:37,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:37,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:37,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:37,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:37,258 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:37,260 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1943)] Ended with exit code 0 [2024-12-05 21:46:37,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:37,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:37,262 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:37,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:37,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:37,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:37,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:37,264 INFO L229 MonitoredProcess]: Starting monitored process 1944 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:37,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1944)] Waiting until timeout for monitored process [2024-12-05 21:46:37,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:37,464 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:37,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:37,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:37,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:37,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1944)] Ended with exit code 0 [2024-12-05 21:46:37,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:37,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:37,654 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:37,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:37,654 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:37,654 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:37,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:37,655 INFO L229 MonitoredProcess]: Starting monitored process 1945 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:37,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1945)] Waiting until timeout for monitored process [2024-12-05 21:46:37,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:37,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:37,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:37,896 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:37,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:38,086 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:38,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1945)] Ended with exit code 0 [2024-12-05 21:46:38,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:38,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:38,091 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:38,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:38,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:38,091 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:38,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:38,093 INFO L229 MonitoredProcess]: Starting monitored process 1946 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:38,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1946)] Waiting until timeout for monitored process [2024-12-05 21:46:38,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:38,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:38,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:38,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:38,348 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:38,451 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:38,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1946)] Ended with exit code 0 [2024-12-05 21:46:38,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:38,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:38,455 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:38,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:38,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:38,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:38,456 INFO L229 MonitoredProcess]: Starting monitored process 1947 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:38,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1947)] Waiting until timeout for monitored process [2024-12-05 21:46:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:38,657 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:38,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:38,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:38,803 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:38,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1947)] Ended with exit code 0 [2024-12-05 21:46:38,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:38,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:38,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:38,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:38,807 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:38,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:38,809 INFO L229 MonitoredProcess]: Starting monitored process 1948 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:38,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1948)] Waiting until timeout for monitored process [2024-12-05 21:46:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:39,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:39,059 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:39,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:39,165 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:39,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1948)] Ended with exit code 0 [2024-12-05 21:46:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:39,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:39,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:39,169 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:39,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:39,171 INFO L229 MonitoredProcess]: Starting monitored process 1949 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:39,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1949)] Waiting until timeout for monitored process [2024-12-05 21:46:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:39,378 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:39,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:39,439 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:39,539 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:39,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1949)] Ended with exit code 0 [2024-12-05 21:46:39,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:39,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:39,544 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:39,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:39,544 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:39,544 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:39,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:39,545 INFO L229 MonitoredProcess]: Starting monitored process 1950 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:39,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1950)] Waiting until timeout for monitored process [2024-12-05 21:46:39,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:39,747 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:39,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:39,801 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:39,903 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:39,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1950)] Ended with exit code 0 [2024-12-05 21:46:39,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:39,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:39,907 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:39,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:39,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:39,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:39,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:39,909 INFO L229 MonitoredProcess]: Starting monitored process 1951 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:39,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1951)] Waiting until timeout for monitored process [2024-12-05 21:46:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:40,112 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:40,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:40,179 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:40,273 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:40,275 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1951)] Ended with exit code 0 [2024-12-05 21:46:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:40,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:40,277 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:40,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:40,277 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:40,277 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:40,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:40,279 INFO L229 MonitoredProcess]: Starting monitored process 1952 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:40,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1952)] Waiting until timeout for monitored process [2024-12-05 21:46:40,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:40,481 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:40,524 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:40,524 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:40,618 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:40,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1952)] Ended with exit code 0 [2024-12-05 21:46:40,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:40,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:40,622 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:40,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:40,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:40,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:40,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:40,624 INFO L229 MonitoredProcess]: Starting monitored process 1953 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:40,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1953)] Waiting until timeout for monitored process [2024-12-05 21:46:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:40,826 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:40,871 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:40,871 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:40,998 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:41,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1953)] Ended with exit code 0 [2024-12-05 21:46:41,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:41,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:41,002 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:41,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:41,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:41,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:41,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:41,003 INFO L229 MonitoredProcess]: Starting monitored process 1954 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:41,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1954)] Waiting until timeout for monitored process [2024-12-05 21:46:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:41,205 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:41,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:41,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:41,379 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:41,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1954)] Ended with exit code 0 [2024-12-05 21:46:41,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:41,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:41,384 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:41,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:41,384 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:41,384 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:41,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:41,385 INFO L229 MonitoredProcess]: Starting monitored process 1955 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:41,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1955)] Waiting until timeout for monitored process [2024-12-05 21:46:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:41,594 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:41,630 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:41,631 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:41,733 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:41,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1955)] Ended with exit code 0 [2024-12-05 21:46:41,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:41,737 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:41,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:41,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:41,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:41,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:41,739 INFO L229 MonitoredProcess]: Starting monitored process 1956 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:41,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1956)] Waiting until timeout for monitored process [2024-12-05 21:46:41,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:41,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:41,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:41,997 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:41,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:42,102 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:42,105 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1956)] Ended with exit code 0 [2024-12-05 21:46:42,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:42,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:42,107 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:42,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:42,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:42,107 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:42,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:42,108 INFO L229 MonitoredProcess]: Starting monitored process 1957 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:42,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1957)] Waiting until timeout for monitored process [2024-12-05 21:46:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:42,315 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:42,392 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:42,393 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:42,492 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:42,494 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1957)] Ended with exit code 0 [2024-12-05 21:46:42,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:42,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:42,497 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:42,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:42,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:42,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:42,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:42,499 INFO L229 MonitoredProcess]: Starting monitored process 1958 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:42,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1958)] Waiting until timeout for monitored process [2024-12-05 21:46:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:42,708 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:42,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-05 21:46:42,783 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:42,987 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-05 21:46:42,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1958)] Ended with exit code 0 [2024-12-05 21:46:42,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:42,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:42,991 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:42,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:42,991 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:42,991 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:42,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:42,993 INFO L229 MonitoredProcess]: Starting monitored process 1959 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:42,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1959)] Waiting until timeout for monitored process [2024-12-05 21:46:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:43,199 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:43,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:43,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:43,352 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:43,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1959)] Ended with exit code 0 [2024-12-05 21:46:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:43,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:43,357 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:43,357 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:43,357 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:43,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:43,359 INFO L229 MonitoredProcess]: Starting monitored process 1960 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:43,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1960)] Waiting until timeout for monitored process [2024-12-05 21:46:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:43,571 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:43,611 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:43,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:43,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:43,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1960)] Ended with exit code 0 [2024-12-05 21:46:43,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:43,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:43,710 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:43,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:43,710 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:43,710 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:43,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:43,711 INFO L229 MonitoredProcess]: Starting monitored process 1961 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:43,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1961)] Waiting until timeout for monitored process [2024-12-05 21:46:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:43,917 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:43,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:43,989 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:44,086 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:44,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1961)] Ended with exit code 0 [2024-12-05 21:46:44,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:44,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:44,091 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:44,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:44,092 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:44,092 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:44,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:44,093 INFO L229 MonitoredProcess]: Starting monitored process 1962 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:44,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1962)] Waiting until timeout for monitored process [2024-12-05 21:46:44,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:44,294 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:44,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:44,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:44,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:44,441 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:44,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1962)] Ended with exit code 0 [2024-12-05 21:46:44,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:44,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:44,446 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:44,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:44,446 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:44,446 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:44,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:44,447 INFO L229 MonitoredProcess]: Starting monitored process 1963 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:44,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1963)] Waiting until timeout for monitored process [2024-12-05 21:46:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:44,649 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:44,690 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:44,690 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:44,790 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:44,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1963)] Ended with exit code 0 [2024-12-05 21:46:44,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:44,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:44,795 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:44,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:44,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:44,795 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:44,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:44,796 INFO L229 MonitoredProcess]: Starting monitored process 1964 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:44,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1964)] Waiting until timeout for monitored process [2024-12-05 21:46:44,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:44,999 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:45,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:45,051 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:45,158 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:45,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1964)] Ended with exit code 0 [2024-12-05 21:46:45,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:45,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:45,163 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:45,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:45,163 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:45,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:45,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:45,164 INFO L229 MonitoredProcess]: Starting monitored process 1965 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:45,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1965)] Waiting until timeout for monitored process [2024-12-05 21:46:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:45,367 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:45,411 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:45,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:45,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1965)] Ended with exit code 0 [2024-12-05 21:46:45,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:45,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:45,512 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:45,512 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:45,512 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:45,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:45,513 INFO L229 MonitoredProcess]: Starting monitored process 1966 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:45,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1966)] Waiting until timeout for monitored process [2024-12-05 21:46:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:45,718 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:45,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:45,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:45,869 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1966)] Ended with exit code 0 [2024-12-05 21:46:45,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:45,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:45,871 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:45,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:45,871 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:45,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:45,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:45,872 INFO L229 MonitoredProcess]: Starting monitored process 1967 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:45,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1967)] Waiting until timeout for monitored process [2024-12-05 21:46:46,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:46,081 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:46,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:46,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:46,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1967)] Ended with exit code 0 [2024-12-05 21:46:46,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:46,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:46,224 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:46,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:46,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:46,225 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:46,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:46,226 INFO L229 MonitoredProcess]: Starting monitored process 1968 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:46,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1968)] Waiting until timeout for monitored process [2024-12-05 21:46:46,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:46,426 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:46,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:46,476 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:46,594 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:46,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1968)] Ended with exit code 0 [2024-12-05 21:46:46,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:46,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:46,599 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:46,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:46,599 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:46,599 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:46,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:46,600 INFO L229 MonitoredProcess]: Starting monitored process 1969 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:46,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1969)] Waiting until timeout for monitored process [2024-12-05 21:46:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:46,801 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:46,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:46,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:46,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1969)] Ended with exit code 0 [2024-12-05 21:46:46,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:46,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:46,957 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:46,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:46,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:46,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:46,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:46,959 INFO L229 MonitoredProcess]: Starting monitored process 1970 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:46,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1970)] Waiting until timeout for monitored process [2024-12-05 21:46:47,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:47,166 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:47,207 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:47,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:47,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1970)] Ended with exit code 0 [2024-12-05 21:46:47,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:47,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:47,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:47,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:47,316 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:47,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:47,317 INFO L229 MonitoredProcess]: Starting monitored process 1971 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:47,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1971)] Waiting until timeout for monitored process [2024-12-05 21:46:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:47,526 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:47,578 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:47,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:47,674 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:47,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1971)] Forceful destruction successful, exit code 0 [2024-12-05 21:46:47,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:47,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:47,679 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:47,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:47,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:47,679 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:47,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:47,680 INFO L229 MonitoredProcess]: Starting monitored process 1972 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:47,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1972)] Waiting until timeout for monitored process [2024-12-05 21:46:47,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:47,885 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:47,930 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:47,930 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 21:46:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-12-05 21:46:48,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1972)] Ended with exit code 0 [2024-12-05 21:46:48,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:46:48,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 48 transitions. [2024-12-05 21:46:48,037 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-05 21:46:48,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-05 21:46:48,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:46:48,037 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 21:46:48,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 21:46:48,038 INFO L229 MonitoredProcess]: Starting monitored process 1973 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 21:46:48,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_356c5473-7d6f-448f-8594-8477865cd9a7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (1973)] Waiting until timeout for monitored process [2024-12-05 21:46:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:48,248 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 21:46:48,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:46:48,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-05 21:46:48,284 INFO L279 TraceCheckSpWp]: Computing forward predicates...